74444...44447 (121-digits)
This number is a prime.
7 4444444444 4444444444 4444444444 4444444444 4444444444
4444444444 4444444444 4444444444 4444444444 4444444444 4444444444 4444444447
Single Curio View: (Seek other curios for this number)
The only square-congruent depression prime of order 11. [Loungrides]
Submitted: 2009-07-21 13:26:55; Last Modified: 2009-07-21 16:08:51.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell