Friday, January 23, 2009

875

875 = 53 x 7.

875 is 3-automorphic. A number k such that nk2 has its last digits equal to k is called n-automorphic: 3 x 8752 = 2296875.

875 is the difference of two positive cubes.

875 is a number that can't be expressed as a sum of a prime and a Fibonacci number.


Asteroid 875 Nymphe was discovered in 1917.

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