181
This number is a prime.
Just showing those entries submitted by 'Green': (Click here to show all)
List all the whole numbers less than 1000, that is 0 - 999.
The number of whole numbers in the list containing the
digit 0 is 181. [Green]
181 is a palindromic Pythagorean prime, equal to the sum of
the squares of 10 and 9. [Green]
(There are 2 curios for this number that have not yet been approved by an editor.)
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