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# 44

This number is a composite.

The sum of the first emirp pair: 13 + 31. [Rivera]

44^{4*4} + 1 is prime. [Honaker]

44 is the first number such that it and the next number are the product of a prime and another distinct prime squared (44 = 2^2*11 and 45 = 3^2*5). [Axoy]

(There are 6 curios for this number that have not yet been approved by an editor.)

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