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

+ pi(37) = 12 and pi(73) = 21. [Pe]

+ The largest known prime number p such that the binomial coefficient C(2p, p) is not divisible by the square of an odd prime. [Capelle]

+ The largest known prime number p such that the decimal expansion of 2p does not contain a multidigit palindromic substring. [Capelle]

+ The largest known prime number that can be written as the sum of two positive squares, but not as the sum of three positive squares. [Capelle]

+ The largest prime number p for which the sum of digits is not smaller than p/4. [Capelle]




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