71111111
This number is a prime.
Single Curio View: (Seek other curios for this number)
The only emirp formed from a digit d followed by 1 repeated
d times. [Silva]
Submitted: 2008-12-07 00:38:43; Last Modified: 2008-12-07 01:32:55.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell