# 2222

This number is a composite.

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2222 = 2^{1} + 2^{2} + 2^{3} + 2^{5} + 2^{7} + 2^{11}.
Note that the number of 2s in the equation equals the larger of the prime exponents, which form a prime
sequence, with the exception of '1.' [Gevisier]

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