# 545

This number is a composite.

The smallest palindrome resulting from the sum of an ascending sequence
of consecutive primes with a descending sequence of the same primes as
exponents (2^{7} + 3^{5} + 5^{3} + 7^{2} = 545). [Gevisier]

1*1! + 2*2! + 3*3! + ... + 545*545! is a titanic prime. [Firoozbakht]

n^{6} + 545 is composite for n = 1303, ..., 10583. [Wesolowski]

(There are 4 curios for this number that have not yet been approved by an editor.)

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