8161
This number is a prime.
8161 = 213 - 31. (13 and 31 are emirps.)
(There is one curio for this number that has not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
8161 = 213 - 31. (13 and 31 are emirps.)