9999999900000001

This number is a prime.

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

+ 9999999900000001 is a prime number such that p^2 is a sibling number type (a+1).a, where dot is for concatenation: 9999999900000001^2 = 9999999800000002.9999999800000001. [Rivera]

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