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Just showing those entries submitted by 'Noll': (Click here to show all) The sum of the nonprime divisors of 54 is a Mersenne prime exponent. [Noll]The 54^{th} prime is the smallest number that is the sum of three cubes in two ways. [Noll] The sum of denoninators of the Bernoulli numbers less than or equal to 54 is prime. [Noll] 13^{54} + 54 is prime. [Noll]
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