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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)

Kristen Eller ©2002
+ 23 is the smallest prime number with consecutive digits. [Capelle]

+ A factorial expression involving the digits of 23 is 1! + (2! + 2!) + (3! + 3! + 3!). [Capelle]

+ The smallest non-reflectable non-strobogrammatic non-invertible non-palindromic non-reversible prime number. [Capelle]

+ There are 23 known natural numbers n such that 2n does not contain the digit 2. Their sum ends with 23, which is one of them. The prime cases are easy to remember: 2, 3, 23 and ... the 23th prime! [Capelle]

+ The largest known prime number that cannot be written as the sum of at most three powerful numbers. [Capelle]




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