Wednesday, October 12, 2011

108

108 = 22 x 33. It is the product of the first three numbers raised to themselves: 108 = 11 x 22 x 33.

108 is the smallest number whose divisors contain every digit at least once. The divisors are: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108.

108 is 99 in base 11.

The interior angles of a regular (equilateral) pentagon measure 108 degrees each.

There are 108 different types of heptomino, a shape made by fitting together seven squares.

For an article on the symbolism of 108, see the webpage "Why 108."

1 comment:

  1. We notice that
    108^2 = 11664,
    129^2 = 16641 and
    204^2 = 41616
    These three squares contain the same digits.

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