81145...85321 (30-digits)

                                            8114516823 7738462540 0019885321

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

+ A prime p such that p^2 decimal expression contains two successive concatenated integers, p^2=(a+1) and a: 658453832833087902225991273042 and 658453832833087902225991273041. Found by Phil Carmody in 2004. [Rivera]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell