Amicable quadruple (Q122897579)
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4-tuple of numbers satisfying sigma(a) = sigma(b) = sigma(c) = sigma(d) = a + b + c + d
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Amicable quadruple |
4-tuple of numbers satisfying sigma(a) = sigma(b) = sigma(c) = sigma(d) = a + b + c + d |
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Wikipedia(1 entry)
- enwiki Amicable quadruple