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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