Thursday, September 12, 2013

893

893 = 19 x 47.

893 is a semiprime that is the product of two distinct non-Sophie Germain primes (A157345).

893 is a divisor of 466 - 1.

893 has a square whose digits each occur twice (A052049): 8932 = 797449.

893 is 1020002 in base 3 and 1202 in base 9 (A037314).

893 is the sum of 12 positive fifth powers (A003357).

893 is the sum of six positive cubes in exactly three ways (A048931).


Source: What's Special About This Number?

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