41

This number is a prime.

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

Brittany Finch © 2004
+ 41 is the largest prime factor of Carmichael number 41041. It is also the smallest prime factor of Carmichael number 410041. [Gupta]

+ The largest known example such that 41!+1 and 41#-1 are both primes. [Gupta]

+ The smallest non-palindromic prime which on subtracting its reverse gives a perfect cube (i.e., 41 - 14 = 3^3). [Gupta]

+ The smallest prime formed from reverse concatenation of two consecutive squares. [Gupta]

+ The smallest prime of the smallest set of three consecutive multidigit primes, i.e., {41, 43, 47}, whose sum of digits (5, 7, 11) is another set of three distinct primes. [Gupta]

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