A124367 Numbers that raised to any exponent do not produce a number whose sum of digits is equal to the initial number.

10, 11, 12, 13, 14, 15, 16, 19, 21, 23, 24, 29, 30, 32, 33, 37, 38, 39, 41, 42, 44, 47, 48, 49, 50, 51, 52, 55, 56, 57, 59, 60, 61, 62, 65, 66, 67, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79, 83, 84, 87, 88, 89, 92, 93, 95, 96, 99, 100, 101, 102, 105

Offset: 1

Author

Paolo P. Lava and Giorgio Balzarotti, Oct 30 2006

Keywords

• nonn
• base

Comments

Complement of A124359. Numbers for which A247889 is zero.

Most of the values are conjectural, so far not much is really proved about the function A247889. - M. F. Hasler and Robert Israel, May 18 2017

Crossrefs

Cf. A124359, A124360, A046019, A124365, A124366, A247889.

Programs

PARI

for(n=0,199,if(!A247889(n),print1(n,", "))) \\ Derek Orr, Sep 25 2014, edited by M. F. Hasler, May 18 2017

Extensions

106 removed by Robert Israel, May 18 2017