23
This number is a prime.
Just showing those entries submitted by 'Russo': (Click here to show all)
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| Kristen Eller ©2002 |
Smallest prime p such that 90*p+11, 90*p+13, 90*p+17, 90*p+19 are all primes. [Russo]
The smallest prime p that divides the number of digits of p!. [Russo]
(There is one curio for this number that has not yet been approved by an editor.)
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