181

This number is a prime.

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

+ The smallest prime which is a d-digit palindrome base 10 as well as a d-digit palindrome for some base b different from 10. [Post]

+ The smallest prime decimal Goedelization of a theorem from propositional calculus, symbolizing "A is logically equivalent to A." [Post]

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