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

KEYWORD

nonn,base

AUTHOR

K. D. Bajpai, Aug 31 2014

STATUS

approved