Английская Википедия:41 (number)
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Шаблон:Redirect Шаблон:Infobox number 41 (forty-one) 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[1]
- a Newman–Shanks–Williams prime.[2]
- the smallest Sophie Germain prime to start a Cunningham chain of the first kind of three terms, {41, 83, 167}.
- an Eisenstein prime, with no imaginary part and real part of the form 3n − 1.
- a Proth prime as it is 5 × 23 + 1.[3]
- the largest lucky number of Euler: the polynomial Шаблон:Nowrap yields primes for all the integers k with Шаблон:Nowrap.
- 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. 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.[4]
- a centered square number.[5]
- a prime index prime, as 13 is prime.
In science
- The atomic number of niobium.
In astronomy
- Messier object M41, a magnitude 5.0 open cluster in the constellation Canis Major.
- The New General Catalogue object NGC 41, a spiral galaxy in the constellation Pegasus.
In music
- "#41", a song by Dave Matthews Band.[6]
- "American Skin (41 Shots)" is a song by Bruce Springsteen about an immigrant murder victim who was shot at 41 times by the NYPD.[7]
In film
- The name of an independent documentary about Nicholas O'Neill, the youngest victim of the Station nightclub fire.[8]
- 2012 documentary on the life of the 41st President of the United States George H. W. Bush.[9]
In other fields
- The international direct dialing (IDD) code for Switzerland.[10]
- Bush 41, George H. W. Bush, the 41st President of the United States.[11]
- In Mexico "cuarenta y uno" (41) is slang referring to a homosexual. 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[12][13]
- 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 is simply subtitled Survivor 41.[14]
See also
References
