

A246622


Primes of the form n + product of nonzero digits of n, in order of their occurrence.


1



2, 11, 23, 29, 41, 47, 67, 109, 89, 107, 101, 167, 181, 223, 199, 227, 251, 293, 283, 349, 331, 433, 347, 461, 313, 383, 353, 379, 431, 457, 379, 443, 521, 547, 457, 491, 593, 499, 557, 673, 601, 823, 619, 653, 839, 607, 617, 631, 659, 673, 659, 743, 929, 919
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OFFSET

1,1


COMMENTS

Primes in A063114.


LINKS

K. D. Bajpai, Table of n, a(n) for n = 1..13250


EXAMPLE

a(2) = 11 which is prime. Also, 11 = 10 + 1, which is n + product of nonzero digit of n.
a(9) = 89 which is prime. Also, 89 = 81 + (8*1), which is n + product of nonzero digits of n.
a(10) = 107 which is prime. Also, 107 = 83 + (8*3), which is n + product of nonzero digits of n.


MATHEMATICA

Select[Table[n + Times @@ DeleteCases[IntegerDigits[n], 0], {n, 1000}], PrimeQ]


CROSSREFS

Cf. A000040, A063114, A063543.
Sequence in context: A084354 A066725 A087340 * A237813 A106927 A158189
Adjacent sequences: A246619 A246620 A246621 * A246623 A246624 A246625


KEYWORD

nonn,base


AUTHOR

K. D. Bajpai, Aug 31 2014


STATUS

approved



