2 and 9 are the only biunitary superperfect numbers
Number Theory
2021-04-01 v1
Abstract
We shall show that 2 and 9 are the only biunitary superperfect numbers.
Keywords
Cite
@article{arxiv.1705.00189,
title = {2 and 9 are the only biunitary superperfect numbers},
author = {Tomohiro Yamada},
journal= {arXiv preprint arXiv:1705.00189},
year = {2021}
}
Comments
8 pages