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A028842 Product of digits of n is a prime. 4
2, 3, 5, 7, 12, 13, 15, 17, 21, 31, 51, 71, 112, 113, 115, 117, 121, 131, 151, 171, 211, 311, 511, 711, 1112, 1113, 1115, 1117, 1121, 1131, 1151, 1171, 1211, 1311, 1511, 1711, 2111, 3111, 5111, 7111, 11112, 11113, 11115, 11117, 11121, 11131, 11151 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A007954, A028843, A028834.

Sequence in context: A118950 A092620 A028843 * A140971 A073689 A031216

Adjacent sequences:  A028839 A028840 A028841 * A028843 A028844 A028845

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Erich Friedman (erich.friedman(AT)stetson.edu).

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Last modified February 15 07:09 EST 2012. Contains 205695 sequences.