Wednesday, October 15, 2014

6488

6488 = 2 x 2 x 2 x 811.

6488 would be prime if preceded and followed by 1, 3, 7, or 9 (A059677).

6488 is the maximum number of regions into which 47 triangles divide the plane (A077588).

6488 is a number n such that n! has a square number of digits (A006488).

6488 divides 1518 - 1.

6488 is 22220022 in base 3. It is 8808 in base 9 (A097255 and A043487).


Source: What's Special About This Number?

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