Wednesday, October 23, 2013

791

791 = 7 x 113.

791 is the sum of the first 22 primes (A007505). It is also the sum of seven consecutive primes: 791 = 101 + 103 + 107 + 109 + 113 + 127 + 131.

791 is a centered tetrahedral number (A005894).

791 is a divisor of 154 - 1.

791 is the smallest number n where either it or its neighbors are divisible by the numbers from 1 to 12.

791 is the sum of consecutive nonsquares (A048395).


791 Ani is an asteroid discovered in 1914 and named after the capital of a medieval Armenian empire.

Source: What's Special About This Number?

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