Concept information
Término preferido
perfect number
Definición
-
In number theory, a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3 (excluding itself), and 1 + 2 + 3 = 6, so 6 is a perfect number.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Perfect_number)
Concepto genérico
En otras lenguas
-
francés
URI
http://data.loterre.fr/ark:/67375/PSR-QBCKSDZ8-2
{{label}}
{{#each values }} {{! loop through ConceptPropertyValue objects }}
{{#if prefLabel }}
{{/if}}
{{/each}}
{{#if notation }}{{ notation }} {{/if}}{{ prefLabel }}
{{#ifDifferentLabelLang lang }} ({{ lang }}){{/ifDifferentLabelLang}}
{{#if vocabName }}
{{ vocabName }}
{{/if}}