# 12

This number is a composite.

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2^{12} + 2^{12} + 3^{12} is prime. Note that 2*2*3 = 12. [Honaker]

The smallest oblong number that is the sum of 2 successive primes. [Honaker]

The smallest n such that the concatenate exponents in the prime factorization of n = reversal(n). Can you find the next example? [Honaker]

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