66410849

This number is a prime.

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

Smallest prime containing all nonprime digits only such that its square (i.e., 4410400864900801) also contain all nonprime digits only. [Gupta]

Submitted: 2016-08-26 16:55:25; Last Modified: 2016-08-26 16:56:56.