47 number - In mathematics

<< 40 41 42 43 44 45 46 47 48 49 >> List of numbers -- Integers 0 10 20 30 40 50 60 70 80 90 >> 47 is the natural number following 46 and followed by 48. 47 number - In mathematics. Forty-seven is the 15th prime number, a safe prime, a supersingular prime, and the 6th Lucas prime. 47 is a highly cototient number. It is an Eisenstein prime with no imaginary part and real part of t ...

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Forty-seven is the 15th prime number, a safe prime, a supersingular prime, and the 6th Lucas prime. 47 is a highly cototient number. It is an Eisenstein prime with no imaginary part and real part of the form 3n − 1. 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... 47 is a strictly non-palindromic number. Its representation in binary being 101111, 47 is a prime Thabit number, and as such is related to the pair of amicable numbers ...

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There exists a 47 society, 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. 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. Following on from this, Joe Menosky, who graduated from Pomona College in 1979 and went on to become ...

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47 number, 47 number - In mathematics, 47 number - In science, 47 number - References to 47, 47 number - In other fields

Read more here: » 47 number: Encyclopedia II - 47 number - References to 47