The book is now available! 181
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The sum of strobogrammatic numbers less than or equal to 181 equals 666. (see OEIS A230833)


  Submitted: 2013-10-31 00:16:15;   Last Modified: 2013-11-03 15:02:36.

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