Wednesday, May 22, 2013

862

862 = 2 x 431.

862 is a number whose sum of divisors is a fourth power: 1 + 2 + 431 + 862 = 1296 = 64.

862 is the maximum number of regions into which 41 lines divide the plane.

862 has the representation 862 = 25 x 33 - 2.

862 is a divisor of 955 - 1.


Source: What's Special About This Number?

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