41

This number is a prime.

Just showing those entries submitted by 'Silva': (Click here to show all)

Brittany Finch © 2004
+ The smallest prime whose sum of the digits and difference of the digits are twin primes. [Silva]

+ The reversal of 41 is the number of non-composite integers up to 41. [Silva]

+ First member of a pair of twin primes whose sum of the digits yield another pair of twin primes. [Silva]

(There are 5 curios for this number that have not yet been approved by an editor.)

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