9769
This number is a prime.
Single Curio View: (Seek other curios for this number)
The only emirp less than a googol that can be represented
as the product of a repdigit number with all its
truncations plus or minus 1, i.e., 222*22*2+1. [Loungrides]
Submitted: 2017-08-27 06:45:52; Last Modified: 2019-02-04 12:30:51.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell