2221

This number is a prime.

Just showing those entries submitted by 'Post': (Click here to show all)

+ 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]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell