31

This number is a prime.

Single Curio View:   (Seek other curios for this number)
A repunit of 31 ones is a prime number in base 31. [Gaydos]

Submitted: 2019-12-13 13:01:15;   Last Modified: 2020-02-08 12:46:57.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell