← 40 41 42 43 44 45 46 47 48 49 → List of numbers — Integers 0 10 20 30 40 50 60 70 80 90 →
Cardinal	47 forty-seven
Ordinal	47th forty-seventh
Factorization	prime
Divisors	1, 47
Roman numeral	XLVII
Binary	00101111
Hexadecimal	2F

47 (forty-seven) is the natural number following 46 and preceding 48. 39 ( thirty-nine) is the Natural number following 38 and preceding 40. 40 ( forty) is the Natural number following 39 and preceding 41. 41 ( forty-one) is the Natural number following 40 and preceding 42. 42 ( forty-two) is the Natural number following 41 and preceding 43. 43 ( forty-three) is the Natural number following 42 and preceding 44. 44 ( forty-four) is the Natural number following 43 and preceding 45. 45 ( forty-five) is the Natural number following 44 and followed by 46. 46 ( forty-six) is the Natural number following 45 and preceding 47. 48 ( forty-eight) is the Natural number following 47 and preceding 49. This page is for the number For the steamboat see Forty-Nine (steamboat 49 ( forty-nine) is the Natural number following 48 This article discusses the number fifty. For the year 50 CE see 50. This is a list of articles about Numbers ( not about Numerals. The integers (from the Latin integer, literally "untouched" hence "whole" the word entire comes from the same origin but via French "Twenty" redirects here For the village in England, see Twenty Lincolnshire. 30 ( thirty) is the Natural number following 29 and preceding 31. 40 ( forty) is the Natural number following 39 and preceding 41. This article discusses the number fifty. For the year 50 CE see 50. 60 ( sixty) is the Natural number following 59 and preceding 61. 70 ( seventy) is the Natural number following 69 and preceding 71. 80 ( eighty) is the Natural number following 79 and preceding 81. 90 ( ninety) is the Natural number preceded by 89 and followed by 91. This article describes cardinal numbers in mathematics For cardinals in linguistics see Names of numbers in English. In Set theory, an ordinal number, or just ordinal, is the Order type of a Well-ordered set. In Mathematics, factorization ( also factorisation in British English) or factoring is the decomposition of an object (for In Mathematics, a prime number (or a prime) is a Natural number which has exactly two distinct natural number Divisors 1 In Mathematics, a divisor of an Integer n, also called a factor of n, is an integer which evenly divides n without Roman numerals are a Numeral system originating in ancient Rome, adapted from Etruscan numerals. The binary numeral system, or base-2 number system, is a Numeral system that represents numeric values using two symbols usually 0 and 1. In Mathematics and Computer science, hexadecimal (also base -, hexa, or hex) is a Numeral system with a In Mathematics, a natural number (also called counting number) can mean either an element of the set (the positive Integers or an 46 ( forty-six) is the Natural number following 45 and preceding 47. 48 ( forty-eight) is the Natural number following 47 and preceding 49.

Contents 1 In mathematics 2 In science 2.1 Astronomy 3 In pop culture 4 In sports 5 Calendar years 6 Other 7 References 8 External links 9 Extras

In mathematics

Forty-seven is the 15^th prime number, a safe prime, the 13^th supersingular prime, and the 6^th Lucas prime. In Mathematics, a prime number (or a prime) is a Natural number which has exactly two distinct natural number Divisors 1 A safe prime is a Prime number of the form 2 p + 1 where p is also a prime If E is an Elliptic curve defined over the Rational numbers then a prime p is supersingular for E if the reduction In mathematics Six is the second smallest Composite number, its proper Divisors being 1, 2 and 3. The Lucas numbers are an Integer sequence named after the mathematician François Édouard Anatole Lucas (1842&ndash1891 who studied both that sequence and the 47 is a highly cototient number. In Number theory, a branch of Mathematics, a highly cototient number is a positive Integer k which is above one and has more solutions to the It is an Eisenstein prime with no imaginary part and real part of the form 3n − 1. In Mathematics, an Eisenstein prime is an Eisenstein integer z = a + b\\omega\qquad(\omega = e^{2\pi i/3} that is irreducible

It is also a Keith number, because it recurs in a Fibonacci-like sequence started from its base 10 digits: 4, 7, 11, 18, 29, 47. In Mathematics, a Keith number or repfigit number (short for rep etitive F ibonacci-like d' igit') is an Integer N Leonardo of Pisa (c 1170 – c 1250 also known as Leonardo Pisano, Leonardo Bonacci, Leonardo Fibonacci, or most commonly simply Fibonacci . .

47 is a strictly non-palindromic number. A strictly non-palindromic number is an integer n that is not palindromic in any Numeral system with a base b in the range 2 &le 

Its representation in binary being 00101111, 47 is a prime Thabit number, and as such is related to the pair of amicable numbers {17296, 18416}. In Number theory, a Thabit number or Thâbit ibn Kurrah Number is an integer of the form 3 · 2 n − 1 for a Non-negative integer Amicable numbers are two different Numbers so related that the sum of the Proper divisors of the one is equal to the other one being considered

47 is a Carol number. A Carol number is an integer of the form 4^n - 2^{n + 1} - 1 An equivalent formula is (2^n - 1^2 - 2

In science

• The atomic number of silver

Astronomy

• Messier object M47, a magnitude 4. See also List of elements by atomic number In Chemistry and Physics, the atomic number (also known as the proton Silver (ˈsɪlvɚ is a Chemical element with the symbol " Ag " (argentum from the Ancient Greek: ἀργήντος - argēntos gen The Messier objects are a set of Astronomical objects first listed by French astronomer Charles Messier in his "Catalogue des Nébuleuses Open Cluster M47 (also known as Messier Object 47 or NGC 2422) is an Open cluster in the Constellation Puppis. The apparent magnitude ( m) of a celestial body is a measure of its Brightness as seen by an observer on Earth, normalized to the value 5 open cluster in the constellation Puppis
• The New General Catalogue object NGC 47,^[1] a barred spiral galaxy in the constellation Cetus. An open cluster is a group of up to a few thousand Stars that were formed from the same Giant molecular cloud, and are still loosely gravitationally In common usage a constellation is a group of celestial bodies that are connected together in some arrangement typically stars to form a visible figure or picture Puppis (ˈpʌpɪs Poop deck) is a southern Constellation. It is the largest of the three parts into which Argo Navis was split (the other two being The New General Catalogue ( NGC) is the best-known catalogue of Deep sky objects in Amateur astronomy. NGC 47 is a Barred spiral galaxy in the Constellation Cetus, discovered in 1886 by Ernst Wilhelm Leberecht Tempel. A barred spiral galaxy is a Spiral galaxy with a central bar-shaped structure composed of Stars Bars are found in approximately half of all spiral galaxies Cetus ( Κῆτος Kētos, referring to the sea monster Cetus) is a Constellation of the northern winter sky in the region known as the Water This object is also designated as NGC 58. NGC 47 is a Barred spiral galaxy in the Constellation Cetus, discovered in 1886 by Ernst Wilhelm Leberecht Tempel.
• The Saros number of the solar eclipse series which began on 1306 BC April 2 and ended on 26 BC May 10. Saros or Sáros may refer to Saros cycle, a method for predicting solar eclipses SS Saros, a shipwreck off the southeast coast A solar eclipse occurs when the Moon passes between the Sun and the Earth so that the Sun is wholly or partially obscured Events 68 - Galba, Governor of Hispania, names himself legatus senatus populique Romani, breaking the line of Year 26 BC was a Common year starting on Monday (link will display the full calendar of the Julian calendar. Events 1291 - Scottish Nobles recognize the authority of Edward I of England. ^[2] The duration of Saros series 47 was 1280. 1 years, and it contained 72 solar eclipses.
• The Saros number of the lunar eclipse series which began on 1275 BC July 31 and ended on 258 February 5. A lunar eclipse occurs whenever the Moon passes through some portion of the Earth's shadow Events 30 BC - Battle of Alexandria: Mark Antony achieves a minor victory over Octavian 's forces but most of his army subsequently Events By Place Roman Empire The Goths ravage Asia Minor and Trabzon. Events 1576 - Henry of Navarre converts to Roman Catholicism in order to ensure his right to the throne of France. ^[3] The duration of Saros series 47 was 1537. 5 years, and it contained 86 lunar eclipses.

In pop culture

There exists a 47 society,^[4] an outgrowth of a movement started at Pomona College, California, USA, which propagates the belief (or, to some, the inside joke) that the number forty-seven occurs in nature with noticeably higher frequency than other natural numbers, that it is the quintessential random number. Pomona College is a private residential liberal arts college located in Claremont California. California ( is a US state on the West Coast of the United States, along the Pacific Ocean. The United States of America —commonly referred to as the An in-joke (also known as an in joke or inside joke) is a Joke whose Humor is clear only to those people who are "inside" a social ^[5] The origin of 47 lore at Pomona appears to be a mathematical proof, written in 1964 by Professor Donald Bentley, which supposedly demonstrated that all numbers are equal to 47. History The concept of folklore developed as part of the 19th century ideology of Romantic nationalism, leading to the reshaping of oral traditions to serve modern ideological In Mathematics, a proof is a convincing demonstration (within the accepted standards of the field that some Mathematical statement is necessarily true Year 1964 ( MCMLXIV) was a Leap year starting on Wednesday (link will display full calendar of the 1964 Gregorian calendar. However, the proof mentioned above was used by Professor Bentley as a "joke proof" to introduce his students to the concept of mathematical proofs, and is not mathematically valid. ^[6]

Joe Menosky, who graduated from Pomona College in 1979 and went on to become one of the story writers of Star Trek: The Next Generation, "infected" other Star Trek writers with it. Joe Menosky is a television writer known for his work on the various Star Trek series Year 1979 ( MCMLXXIX) was a Common year starting on Monday (link displays the 1979 Gregorian calendar) Star Trek The Next Generation ( STTNG or TNG) is an Emmy and Peabody Award-winning science fiction television program created by Gene Roddenberry As a result the number 47, its reverse of 74, or a multiple of 47 occurs in some way or other in almost every episode of this program and its spin-offs Star Trek: Deep Space Nine, Star Trek: Voyager and Star Trek: Enterprise. 74 ( seventy-four) is the Natural number following 73 and preceding 75. Star Trek Enterprise (simply titled Enterprise prior to season three is a Science fiction Television program created by Brannon The number might be mentioned in the dialogue, appear on a computer screen a character is looking at, or be a substring of a larger number. Some examples are listed here:

• In Star Trek Generations, Scotty only manages to beam up 47 El-Aurians before their ship is destroyed by the nexus
• In the TNG episode "Darmok," Worf reports a particle gradient of 4/7. " Darmok " is an episode of the television Science fiction series Star Trek: The Next Generation, first broadcast in the United
• In the DS9 episode "Whispers," the planet Parada 4 has seven moons. "Whispers" is an episode of the Television series Star Trek Deep Space Nine, the fourteenth episode of the second season
• In the Voyager episode "Non Sequitur," Harry Kim lives in apartment 4-G, G being the seventh letter of the alphabet and he Tom transport to Harry's office on level 6 subsection 47. " Non Sequitur " is the 21st episode of Star Trek Voyager, the fifth episode in the second season Ensign Harry Kim, played by Garrett Wang, is a character in the Television series Star Trek Voyager. The intentionality of this reference to 47 was confirmed by Brannon Braga, the writer of that episode. ^[7]

From Star Trek, the 47 was carried on into modern pop culture and nowadays appears frequently in motion pictures, television shows and in music, contributing to the 47 society belief/myth.

47 in motion pictures

• In the movie Hitman (2007), the main character is known only as Agent 47 (Timothy Olyphant)(though this is based on the game character).

• In the movie Lucky Number Slevin (2007), Nick Fisher's apartment (the one Josh Hartnett sleeps in) is Apartment 47.

• In David Lynch's movie Inland Empire (2006), Laura Dern eventually reaches a door with the number 47 on it. Also, the old Polish movie (that On High In Blue Tomorrows remakes) has "4" and "7" in its name.

• The tale of the 47 Ronin is a historical Japanese story, based upon actual events that took place in year 1701 of the western calendar. The revenge of the, also known as the Forty-seven Samurai, the Akō vendetta, or the took place in Japan at the start of the eighteenth century It is mentioned in John Frankenheimers movie Ronin (1998).

• In the motion picture, The Sum of All Fears (2002), a nuclear arm is sold for 47 million $US. The moment the bomb detonates '4007' is said [by a doctor in a hospital].

• In Matt Reeves' movie Cloverfield (2008), the area where the tape is found is called Area 447. Also, when the main characters are looking for Beth McIntyre in her apartment, they pass apartment 47. These are possible references to the recurrence of 47 in the TV series Alias (see below), both of which were produced by JJ Abrams. Jeffrey Jacob "JJ" Abrams (born in 1966 is an American Emmy Award -winning film and Television producer, writer actor composer director

• In the film Talladega Nights: The Ballad of Ricky Bobby, Cal Naughton, Jr. Talladega Nights The Ballad of Ricky Bobby is a 2006 Comedy film about NASCAR racing (John C. Reilly), drove car number 47. John Christopher Reilly (born May 24, 1965) is an Academy Award - and two-time Golden Globe -nominated American Actor.

• In the film National Treasure: Book of Secrets, the president asks for page 47 of the book of secrets. National Treasure 2 Book of Secrets is a 2007 Adventure film and is the second movie in the National Treasure franchise.

47 in Television Shows

• The Sky One programme Brainiac had a short segment entitled '47 second science'.

• In manga Claymore, there are 47 warriors in the Organization, as well as the main character being Rank 47

• In the TV series Scrubs, the number of the apartment JD moves out to from Turk's apartment is also #47.

• In various episodes of the television series Alias and Lost the number 47 makes an appearance. Alias is an American " Spy-fi " television series created by J Lost is an Emmy and Golden Globe award-winning American serial drama television series. In Alias, the number 47 is central to the plot as it had significance in the work of Rambaldi. Rambaldi redirects here see also Benvenuto Rambaldi da Imola, the 14th-century Dante scholar Milo Giacomo Rambaldi is a fictional person from the

47 in Music

• Black 47, an Irish-American rock band
• In 1998, Japanese electronic musician Takako Minekawa released the album Cloudy Cloud Calculator, which featured a song about the number 47 entitled "Kangaroo Pocket Calculator". Based in New York City Black 47 is a Celtic rock band made up of Irish expatriates formed in The Bronx by Larry Kirwan and Chris Year 1998 ( MCMXCVIII) was a Common year starting on Thursday (link will display full 1998 Gregorian calendar) For a topic outline on this subject see List of basic Japan topics. Electronic music is music that employs Electronic musical instruments and Electronic Music technology in its production A musician is a person who plays or writes Music. Musicians can be classified by their roles in creating or performing music An instrumentalist plays a is a Japanese Musician, Composer and Writer. Background As an accomplished all-around musician Minekawa's musical skills set her firmly Cloudy Cloud Calculator is a 1997 album by Takako Minekawa. It was released by Emperor Norton Records in the United States. A song is a Musical composition. Songs contain vocal parts that are performed 'sung' and generally feature Words ( Lyrics) commonly followed The song repeatedly states that "47 is a magical number. 47 plus 2 equals 49. 47 times 2 equals 94. 49 and 94. 94 and 49. Relationship between 47 and 2. . . is magic" and eventually concludes "Isn't it a coincidence?"
• Leslie Sarony published his song "Forty-Seven Ginger-Headed Sailors" in 1928. Leslie Sarony (born Leslie Legge Frye January 22, 1897 - February 12, 1985) was a British entertainer singer and songwriter Year 1928 ( MCMXXVIII) was a Leap year starting on Sunday (link will display full calendar of the Gregorian calendar. ^[8]
• 47 is the usual number strings of a pedal harp
• 47 is a song by Sunny Day Real Estate
• 47 appears in the lyrics of track number five "Run run run" on The Velvet Underground's "The Velvet Underground & Nico. The pedal harp (also known as the concert harp) is a large and technically modern Harp, designed for Classical music and played either solo as part of Sunny Day Real Estate was an Indie rock band formed in Seattle Washington. This article is about the band For their self-titled album see The Velvet Underground (album; for the book see The Velvet Underground (book Christa Päffgen ( October 16, 1938 ? &ndash July 18, 1988) was a German Singer - Songwriter, fashion model "
• On the front cover of the Koxbox record "The great unknown" you can find the number 47 following three dots in the lower leftside corner. Koxbox is a Danish musical group formed in 1990 that produced Psychedelic trance.
• 47 appears in the lyrics to the John Vanderslice song "Trance Manual" from the album Pixel Revolt. John Vanderslice (born May 22, 1967 in Gainesville Florida) is an American musician formerly of Mk Ultra but now performing Pixel Revolt is an Album by American Singer-songwriter John Vanderslice.
• "Object 47" (named as the 47th release in the discography) will be the 11th album release from Wire. Wire are an English rock band formed in London in October 1976 (and intermittently active to the present by Colin Newman (vocals guitar A preview of the cover may be found on their website pinkflag.com

Other 47 references

• In the web-comic Comedity, Personality 47, aka "The Red Right Hand," is the source of Garth's aggression and gaming skills.

• The popular video-game series Hitman and subsequent feature film features a main character known only as Agent 47, a reference to the barcode tattooed on the back of his head. Hitman is a series of Video games developed by the Danish company IO Interactive, now a division of Eidos Interactive. Hitman is a 2007 film based on the same-titled video game series Agent 47, also known as Mr 47, is a Fictional character and main protagonist of the Hitman video game series, created by

In sports

47 is:

• The jersey number of NBA star Andrei Kirilenko. Andrei Gennadevich Kirilenko ( Андрей Геннадьевич Кириленко; born February 18 1981 is a Russian professional Basketball His shoes are custom made by Nike and have "AK-47" embroidered on them. Nike Inc ('naɪki ( is a major publicly traded sportswear and equipment supplier based in the United States. The AK-47 (contraction of Russian Автомат Калашникова образца 1947 года; Avtomat Kalashnikova obraztsa 1947 goda; "Kalashnikov's
• The jersey number for pitching great Jack Morris. John Scott "Jack" Morris (born May 16, 1955, in St Paul Minnesota) is a former Major League Baseball right-handed Starting pitcher

Lawrence Tynes kicked a 47 yard field goal in over time after missing two shorter kicks to send the NY Giants to the 2008 Super Bowl

• Jesse Orosco, who threw the final pitch for the Mets 1986 World Series victory over the Boston Red Sox had jersey #47

In Religion (according to Wikipedia) Jesus performed 47 miracles that were documented

Calendar years

• A.D. 47
• 47 BC
• 947
• 1047
• 1147
• 1247
• 1347
• 1447
• 1547
• 1647
• 1747
• 1847
• 1947
• 2047

Other

• Telephone dialing country code for Norway
• The AK-47, also known as a Kalashnikov rifle, is one of the most widely-used military weapons. For the Hitman game series see Agent 47. Year 47 was a Common year starting on Sunday (link will display the full calendar Year 47 BC was a year of the pre-Julian calendar. Events By place Rome Consuls Quintus Fufius Calenus, Events By Place Asia The Later Jin Dynasty falls to the Later Han Dynasty (founded by Gaozu of Later Han) in Year 1747 ( MDCCXLVII) was a Common year starting on Sunday (link will display the full calendar of the Gregorian calendar (or a Year 1847 ( MDCCCXLVII) was a Common year starting on Friday (link will display the full calendar of the Gregorian Calendar (or a Common Year 1947 ( MCMXLVII) was a Common year starting on Wednesday (link will display full 1947 calendar of the Gregorian calendar. 2047 ( MMXLVII) will be a Common year starting on Tuesday of the Gregorian calendar. Norway ( Norwegian: Norge ( Bokmål) or Noreg ( Nynorsk) officially the Kingdom of Norway, is a Constitutional The AK-47 (contraction of Russian Автомат Калашникова образца 1947 года; Avtomat Kalashnikova obraztsa 1947 goda; "Kalashnikov's

References

External links

• Frequently Asked Questions about 47 and The 47 Society
• Pomona College's Star Trek Connection
• 47 Movies
• The Mystique of 47 — trivia about the number 47, also part of the Pomona College website
• List of 47 References at Memory Alpha — article listing occurrences of the number in episodes and movies of Star Trek, and its context within the plot
• 47 in the Alias fandom (from the All Alias Guide)

Extras

The second series of 3-D MAN started with #47.

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