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Just showing those entries submitted by 'Gupta': (Click here to show all) 5 is the 5th digit in the decimal expansion of = 3.1415.... [Gupta]The only prime which is the difference of two prime squares. [Gupta] The only prime digit in which a perfect square can end. [Gupta] !5  1 is prime. Note that !5 represents subfactorial 5. [Gupta] The only prime that is sandwiched between two semiprimes. [Gupta] The floor function of e^phi = 5, where phi is golden ratio. [Gupta] Largest known number (coincidentally prime) such that 5! is a triangular number (i.e., 5! = 120). [Gupta] SOUTH AMERICA is the only continent with all 5 vowels in its name. [Gupta]
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