Tuesday, May 29, 2012

1375

1375 = 5 x 5 x 5 x 11.

1375 is a decagonal pyramidal number (A007585).

1375 is 111133 in base 4.

1375 is the smaller of two consecutive numbers each divisible by a cube (A068140). It is also the smallest of three consecutive numbers divisible by a square (A070258).

13752 = 1,890,625 contains exactly seven different digits (A054035).


Source: What's Special About This Number?

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