cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A260904 Prime numbers such that sum of digits in base 16 equals product of digits in base 16.

Original entry on oeis.org

2, 3, 5, 7, 11, 13, 4673, 5153, 8513, 16673, 17895719, 17899799, 17985809, 18288929, 34697489, 40964369, 118563089, 286337041, 286359841, 293675281, 403775761, 554766721, 554795281, 73303933201, 74109227281, 1172812415521, 1172812443937, 1172812468507
Offset: 1

Views

Author

Chai Wah Wu, Nov 17 2015

Keywords

Examples

			16673_10 = 4121_16 is prime and the sum of digits of 4121 equals the product of digits.
		

Crossrefs

Cf. A066306.

Programs

  • Mathematica
    Select[Prime@ Range[10^7], Total@ # == Times @@ # &@ IntegerDigits[#, 16] &] (* Michael De Vlieger, Nov 18 2015 *)