27592...77631 (20925-digits)
This number is a prime.
Single Curio View: (Seek other curios for this number)
11487*2^69496-1 is prime. Notice that 69496 is a
palindromic Harshad number, and 11487 is a Super-4 number
(i.e., 4*11487^4 contains at least four consecutive 4s in
its decimal representation). [Earls]
Submitted: 2004-09-23 13:43:25; Last Modified: 2008-01-30 17:28:00.
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