41 (forty-one, XLI) is the natural number following 40 and preceding 42.

In mathematics

* the 13th smallest prime number. The next is 43, making both twin primes. * the sum of the first six prime numbers (2 + 3 + 5 + 7 + 11 + 13). * the 12th supersingular prime * a Newman–Shanks–Williams prime. * the smallest Sophie Germain prime to start a Cunningham chain of the first kind of three terms, . * an Eisenstein prime, with no imaginary part and real part of the form 3''n'' − 1. * a Proth prime as it is 5 × 2³ + 1. * the largest lucky number of Euler: the polynomial yields primes for all the integers ''k'' with . * the sum of two squares, 4² + 5². * the sum of the sum of the divisors of the first 7 positive integers. * the smallest integer whose reciprocal has a 5-digit

repetend A repeating decimal or recurring decimal is decimal representation of a number whose digits are periodic (repeating its values at regular intervals) and the infinitely repeated portion is not zero. It can be shown that a number is rational i ...

. That is a consequence of the fact that 41 is a factor of 99999. * the smallest integer whose square root has a continued fraction with period 3. * a centered square number. * a prime index prime, as 13 is prime.

In science

* The atomic number of

niobium Niobium is a chemical element with chemical symbol Nb (formerly columbium, Cb) and atomic number 41. It is a light grey, crystalline, and ductile transition metal. Pure niobium has a Mohs hardness rating similar to pure titanium, and it has sim ...

In astronomy

* Messier object M41, a magnitude 5.0 open cluster in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

Canis Major Canis Major is a constellation in the Southern Celestial Hemisphere, southern celestial hemisphere. In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations. Its name is Latin fo ...

. * The

New General Catalogue The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and ...

object NGC 41, a

spiral galaxy Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

Pegasus Pegasus ( grc-gre, Πήγασος, Pḗgasos; la, Pegasus, Pegasos) is one of the best known creatures in Greek mythology. He is a winged divine stallion usually depicted as pure white in color. He was sired by Poseidon, in his role as hor ...

In music

* " #41", a song by Dave Matthews Band. * " American Skin (41 Shots)" is a song by

Bruce Springsteen Bruce Frederick Joseph Springsteen (born September 23, 1949) is an American singer and songwriter. He has released 21 studio albums, most of which feature his backing band, the E Street Band. Originally from the Jersey Shore, he is an originat ...

about an immigrant murder victim who was shot at 41 times by the NYPD.

In film

* The name of an independent documentary about Nicholas O'Neill, the youngest victim of the

Station nightclub fire The Station nightclub fire occurred on the evening of February 20, 2003, in West Warwick, Rhode Island, United States, killing 100 people and injuring 230. The fire was caused by pyrotechnics set off by the tour manager of the evening's headlini ...

. * 2012 documentary on the life of the 41st President of the United States

George H. W. Bush George Herbert Walker BushSince around 2000, he has been usually called George H. W. Bush, Bush Senior, Bush 41 or Bush the Elder to distinguish him from his eldest son, George W. Bush, who served as the 43rd president from 2001 to 2009; pr ...

In other fields

* The international direct dialing (IDD) code for

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

. * Bush 41,

, the 41st President of the United States. * In Mexico "cuarenta y uno" (41) is slang referring to a

homosexual Homosexuality is romantic attraction, sexual attraction, or sexual behavior between members of the same sex or gender. As a sexual orientation, homosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" to peop ...

. This is due to the 1901 arrest of 41 homosexuals at a hotel in Mexico City during the government of Porfirio Díaz (1876–1911). See: Dance of the Forty-One * Number of ballistic missile submarines of the ''George Washington'' class and its successors, collectively known as the " 41 for Freedom". * The 41st season of CBS's reality program ''

Survivor Survivor(s) may refer to: Actual survivors * *Last survivors of historical events Arts, entertainment, and media Fictional entities * Survivors, characters in the 1997 ''KKnD'' video-game series * ''The Survivors'', or the ''New Survivors Found ...

'' is simply subtitled ''

Survivor 41 ''Survivor 41'' is the forty-first season of the American competition television series '' Survivor''. The season was first broadcast on September 22, 2021, on CBS in the United States and Global in Canada. It ended on December 15, 2021, when Er ...

''. *A slang term for a transsexual person, or for suicide, due to a study purportedly claiming that 41% of transsexuals have attempted to commit suicide.

References

{{DEFAULTSORT:41 (Number) Integers