A239007 Difference between the smallest 10^n-digit member of a sexy prime pair and 10^(10^n - 1).

4, 87, 34951, 73203, 475341523

Offset: 0

Author

Arkadiusz Wesolowski, Mar 08 2014

Keywords

• nonn
• base
• hard
• more

Links

• G. L. Honaker, Jr. and Chris Caldwell, Prime Curios! 10000...34951 (100-digits)
• Eric Weisstein's World of Mathematics, Sexy Primes. [The definition in this webpage is unsatisfactory, because it defines a "sexy prime" as a pair of primes.- _N. J. A. Sloane_, Mar 07 2021]

Crossrefs

Cf. A023201.

Programs

Mathematica

lst = {}; Do[s = 10^(10^n - 1); n = NextPrime[s]; While[! PrimeQ[n + 6], n = NextPrime[n]]; AppendTo[lst, n - s], {n, 0, 2}]; lst