A158087 Prime numbers p such that largest digit of p / smallest digit of p = prime.

13, 17, 31, 71, 113, 127, 131, 137, 151, 157, 167, 173, 211, 251, 263, 271, 311, 313, 317, 331, 349, 359, 379, 389, 397, 439, 463, 487, 521, 541, 563, 571, 593, 617, 643, 653, 739, 751, 761, 839, 937, 953, 983, 1117, 1123, 1151, 1153, 1171, 1213, 1217

Offset

1,1

Comments

Asymptotic density 0.

Links

Table of n, a(n) for n=1..50.

Crossrefs

Sequence in context: A176882 A272403 A159614 * A210546 A370848 A126808

Adjacent sequences: A158084 A158085 A158086 * A158088 A158089 A158090

Keyword

nonn,base,less

Author

Juri-Stepan Gerasimov, Mar 12 2009

Extensions

643 and 1117 inserted by R. J. Mathar, Mar 17 2009

Status

approved