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]

+ The smallest multidigit endecanacci prime number. (The endecanacci numbers start with eleven predetermined terms, the first ten are zeros and the eleventh is 1, each term afterwards being the sum of the preceding eleven terms). Can you find the next such prime? [Loungrides]

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