# 2101243

This number is a prime.

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2101243 and 2101247 are the first cousin prime pair of the
type p=2^n+2^R(n)-5 and q==2^n+2^R(n)-1, where R(n) is the
reversal of n (case n=12). Note that the sums of their
digits are another cousin prime pair. [Loungrides]
Submitted: 2009-10-30 10:34:21; Last Modified: 2009-11-03 00:40:24.

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