123638027

This number is a prime.

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

+ 123638027 is a minimal prime P such that P.Q^2.RP (dot is for concatenation) is prime for Q = 2, 3, 5, 7, 11 and 13. RP = reversal(P): 1236380274720836321, 1236380279720836321, 12363802725720836321, 12363802749720836321, 123638027121720836321, 123638027169720836321. [Rivera]

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