152623

This number is a prime.

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

+ The only emirp less than a googol that can be represented as the product of a repdigit number consisting of 5's and all its truncations minus 2, i.e., 555*55*5-2. Note that there is another such prime only, less than a googol, with the same property. [Loungrides]

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