4093
This number is a prime.
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(4093, 4099) is the only sexy prime pair of the type (2^n-3, 2^n+3) where n is a 2-digit or 3-digt number, (case n=12). [Loungrides]
Submitted: 2014-08-27 11:05:15; Last Modified: 2018-04-01 04:00:52.
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