Monday, September 9, 2013

712

712 = 2 x 2 x 2 x 89.

712 is the sum of the first 21 primes (A007504 and A073619).

712 is the largest number known that does not have any digits in common with its 8th power (66,045,000,696,445,844,586,496).

712 is the sum of 11 positive 5th powers (A003356).

712 has a representation as a sum of two squares: 712 = 62 + 262.

712 is a divisor of 554 - 1.


Source: What's Special About This Number?

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