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7 (another Prime Pages' Curiosity) |
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits) Single Curio View: (Seek other curios for this number) There are 72 natural numbers n such that n is equal to the number of 7's in the decimal digits of all numbers smaller or equal to n. [Capelle]
Submitted: 2009-06-25 06:58:16; Last Modified: 2009-06-25 08:52:44.
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