# 53

This number is a prime.

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

The largest known prime p such that
2^{p} does not contain the digit
3. It ends with the digit 3, the smallest odd prime with
this property. [Capelle]

The largest known prime number p such that p! doesn't contain 5! in binary representation. [Capelle]

The largest known natural number that can be expressed as the sum of three nonnegative triangular numbers in exactly one way. [Capelle]

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