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This number is a prime.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
The integers from 1 to 23 contain the ten digits a prime number of time each. [Gaydos]
There is a lucky prime digit that appears a total of 23 times in the first 23 factorials. [Gaydos]
(There are 14 curios for this number that have not yet been approved by an editor.)
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