Tuesday, August 28, 2012

872

872 = 2 x 2 x 2 x 109.

872 has a representation as a sum of two squares: 872 = 142 + 262.

872 is the maximum number of regions into which 30 circles can divide the plane.

872! + 1 is a factorial prime.

872 is 464 in base 14.


Source: Prime Curios!

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