11111...11111 (25-digits)

This number is a prime.

                                                 11111 1888118881 1888111111

Single Curio View:   (Seek other curios for this number)

        1 1 1 1 1
        1 8 8 8 1
        1 8 8 8 1
        1 8 8 8 1
        1 1 1 1 1

The only strobogrammatic and tetradic square-congruent prime of order 5. [Ward]

Submitted: 2003-01-31 21:41:32;   Last Modified: 2008-07-16 14:27:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell