66600...00007 (28-digits)
This number is a prime.
66600000 0000000000 0000000007
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The smallest non-palindromic beastly prime with a 7 at the right end. (The 2nd such prime occurs when this number's two dozen consecutive zeros are increased by one.)
Submitted: 2008-07-29 02:03:38; Last Modified: 2008-07-29 02:11:44.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell