# 2221

This number is a prime.

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2221 = 1^2 + 1^3 + 2^5 + 3^7 is the sum of the
first 4 positive Fibonacci numbers raised to the powers of the first
4 primes. Curiously, it is concatenated from entirely
Fibonacci number digits. Note that 2221 is prime. [Post]
Submitted: 2005-04-10 16:29:41; Last Modified: 2011-08-07 10:30:50.

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