This number is a composite.
Single Curio View: (Seek other curios for this number)Let R(n) = (10n - 1)/9 and Tn = the nth triangular number, then P(n) = TR(n) + 1 generates primes for n = 1 through 8. [Wesolowski]
Submitted: 2007-11-29 20:54:25; Last Modified: 2011-02-06 19:41:21.
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