This number is a prime.
77777 7777774447 7777777777
Single Curio View: (Seek other curios for this number)The smallest "special" wing square-congruent prime of order 5. (Special wing primes are palindromic primes in base 10, and consisting of one central 3-digit number of identical digits surrounded by two wings having an equal amount of identical digits and different from the central digits). [Loungrides]
Submitted: 2009-06-06 10:09:11; Last Modified: 2009-06-06 13:32:58.
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