Talk:Congruence of Sum of Digits to Base Less 1

Can't we simply say:

By the way, this theorem proves Digital Root is Congruent to Number Modulo Base minus 1 after induction. --RandomUndergrad (talk) 08:59, 23 February 2022 (UTC)


 * Yes I knew it was somewhere, I couldn't find it. --prime mover (talk) 18:36, 23 February 2022 (UTC)