11

This number is a prime.

Single Curio View:   (Seek other curios for this number)
Sum of digits of the Mersenne prime exponent of M21701 equals 11. Probably the only time this will ever happen. [Harrison]

Submitted: 2019-02-18 16:03:54;   Last Modified: 2020-07-03 18:12:54.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell