Divisibility tests with weighted digital sums
综合数学
2007-05-23 v1
摘要
We propose a divisibility test for all integers which have 1, 3, 7 or 9 in their unit's place. In particular, then, the test applies for all prime divisors except 2 and 5.
引用
@article{arxiv.math/0507011,
title = {Divisibility tests with weighted digital sums},
author = {Palash B. Pal},
journal= {arXiv preprint arXiv:math/0507011},
year = {2007}
}
备注
7 pages, Latex, no figures