Wednesday, May 23, 2012

916

916 = 2 x 2 x 229.

When 916 is raised to the sum of its digits and increased by 1, the result is a prime: 916(9 + 1 + 6) + 1. It is the largest such three-digit number.

916 has a representation as a sum of two squares: 916 = 42 + 302.

916 is a strobogrammatic number (A000787). It appears the same whether it is viewed normally or upside down.

The sum of the digits of 916 (9 + 1 + 6 = 16) is a substring of 916 (A052018).


916 America is an asteroid discovered in 1915 by G.N. Neujmin. There are seven letters in the asteroid's name and seven letters in its discoverer's last name. Note that 916 * 1915 + 7 * 7 is a prime.

Source: Prime Curios!

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