42013

This number is a prime.

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

+ The only prime less than a googol produced by the alternate placement of the positive numbers to the right and left of the zero, i.e., 0, 01, 201, 2013, 42013. [Loungrides]

+ The largest Cyclops prime that consists of first five digits. [Loungrides]

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