Friday, November 9, 2012

902

902 = 2 x 11 x41. It is the smallest number beginning with 9 that is the product of exactly three primes (A106419).

902 is a value of n such that n(n + 7) is palindromic: 902(909) = 819918.

902 is 1020102 in base 3, 12102 in base 5, and 4102 in base 6. It is 1212 in base 9 and 321 in base 17. It is 545 in base 13 and 252 in base 20.

902, 903, and 904 have the same number of divisors (A005238).

902 is a multiple of 11 such that sum of its digits is also a multiple of 11 (A216995).


Source: What's Special About This Number?

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