11
This number is a prime.
Just showing those entries submitted by 'Patterson': (Click here to show all)
Aibohphobia (the fear of palindromes) is palindromic itself and contains 11 letters. [Patterson]
11^11+11^11*11-1 is prime. Note that 11 ones are used in the previous expression. [Patterson]
A hendecasyllabic is verse written in lines of exactly 11 syllables. [Patterson]
11 is the only prime of the form 3^p + p for p a prime. [Patterson]
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