A246622 Primes of the form n + product of nonzero digits of n, in order of their occurrence.

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

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