A264576 Prime numbers such that sum of digits in base 8 equals product of digits in base 8.

2, 3, 5, 7, 83, 139, 673, 1289, 2129, 5197, 5449, 6737, 6793, 8849, 12889, 13001, 21577, 38281, 58441, 70537, 90697, 300809, 311897, 398921, 2400851, 2400907, 2429579, 2430601, 2462353, 2658899, 2691659, 2724937, 2925137, 2925193, 2925641, 2957897, 4494929

Offset

1,1

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Example

300809_10 = 1113411_8 is prime and the sum of digits of 1113411 is equal to the product of digits.

Mathematica

Select[Prime@ Range[10^6], Total@ # == Times @@ # &@ IntegerDigits[#, 8] &] (* Michael De Vlieger, Nov 18 2015 *)

Crossrefs

Cf. A066306.

Sequence in context: A090715 A029976 A074310 * A356981 A070275 A171042

Adjacent sequences: A264573 A264574 A264575 * A264577 A264578 A264579

Keyword

nonn,base

Author

Chai Wah Wu, Nov 17 2015

Status

approved