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Single Curio View: (Seek other curios for this number) The prime 112131323 is the concatenation of 1, 1, 2, 1, 3, 1, 3, 2, 3; which is the number of prime factors of Mersenne number M(n) = 2^n  1 from n = 2 to n = 10 (counted with multiplicity), or from n+1 to 10 if we allow a leftmost digit of 0. [Post]
Submitted: 20081226 20:11:23; Last Modified: 20081229 08:43:01.
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