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(just those submitted by Capelle)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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

+ The only known multidigit number n (up to 10^9) such that, n = reversal(sigma(n) - phi(n)) = reversal(sigma(n)) - reversal(phi(n)). [Capelle]




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