Tuesday, December 3, 2013

5600

5600 = 2 x 2 x 2 x 2 x 2 x 5 x 5 x 7. It is the product of three distinct primes (A179691).

5600 is a number with 36 divisors (A175746).

5600 is a number such that the number itself and its square use only the digits 0, 1, 3, 5, and 6 (A136843).

5600 is the number of self-complementary graphs with 13 vertices or nodes (A000171).

5600 is a concentric tetradecagonal number (A195145).

5600 is the perimeter a Pythagorean triangle that can be constructed in exactly five different ways (A156687).


Source: What's Special About This Number?

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