2

This number is a prime.

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

+ A knight in the corner of the chessboard has only 2 possible moves. [Silva]

+ The only prime that is common divisor to all odd primes gaps. [Silva]

+ The only prime whose cube is the sum of it s two consecutive primes. [Silva]

+ The only digit d that appears exactly d times in d-digit primes. [Silva]

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