A057883 Smallest possible prime with at least n (from 2 to 10) distinct digits that remains prime (leading zeros not allowed) when all occurrences of its digits d are deleted.

23, 137, 6173, 37019, 5600239, 476710937, 8192454631, 1645957688093, 78456580281239

Offset

2,1

Links

Table of n, a(n) for n=2..10.

C. Rivera, PrimePuzzle 110

C. K. Caldwell, Prime Curios! 5600239

C. K. Caldwell, Prime Curios! 476710937.

Example

5600239 is a solution for at least 6 digits because 56239, 560039, 560029, 600239, 500239 and 560023 are all primes.

Crossrefs

Cf. A057876-A057882, A051362, A034302-A034305.

Sequence in context: A093806 A142679 A254758 * A160221 A042024 A141999

Adjacent sequences: A057880 A057881 A057882 * A057884 A057885 A057886

Keyword

nonn,base,fini,full

Author

Patrick De Geest, Oct 15 2000

Extensions

More terms from Giovanni Resta, Feb 15 2006

Status

approved