Tuesday, July 30, 2013

591

591 = 3 x 197.

591 is the number of ways to stack 23 boxes in a line so that each box lies on the table or on a box next to two boxes.

591 is a divisor of 144 - 1.

591 is 303 in base 14.

591 is a number n such that n2 (349281) contains exactly six different digits (A054034).

591 is the sum of five distinct positive pentatope numbers (A104395).


Source: What's Special About This Number?

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