152164007921

This number is a prime.

15 2164007921

Single Curio View: (Seek other curios for this number)

The smallest prime formed by concatenating the squares (1521, 6400, 7921) of a primitive Pythagorean triple (39, 80, 89). [Beedassy]

Submitted: 2010-04-02 10:40:07; Last Modified: 2010-04-06 01:37:11.