perfect numbers |
english |
factoring:number_theory
| Aliquot Sequences | ||
| statistics by wolfgang creyaufmueller, including many tables and links to factoring sites and software. | ||
| Amicable Numbers | ||
| observations on amicable pairs and their distribution, including harshad and happy amicable pairs. | ||
| Perfect Number - from MathWorld | ||
| definitions and references. | ||
| Tables of Aliquot Cycles | ||
| data for various kinds up to 10^12, including unitary, infinitary, exponential, augmented and reduced varieties. | ||
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