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Words, grammatical forms and meanings linked to the ontology.

amicable number en · NOUN

Pronunciation

Meanings

  1. One of a pair of numbers having the property that the sum of the divisors of each, excluding itself, is equal to the other number.
    • The factors of 220, excluding 220 itself, are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110 and sum to 284; the factors of 284, excluding 284 itself, are 1, 2, 4, 71, and 142, and sum to 220; hence 220 and 284 are amicable numbers.

Forms

SpellingFeaturesLabelsSource
amicable numbers Number=Plur lexicographic

Relateds

sociable numbers · abundant number · deficient number · perfect number

Translations (18)

pt número amigo (number theory) · sv vänskapliga tal (number theory) · pt número amigável (number theory) · fi ystäväluku (number theory) · he מספר ידידותי (number theory) · ca nombres amics (number theory) · ko 친화수 (number theory) · hu barátságos számok (number theory) · fr nombres amicaux (number theory) · cmn 親和數 /亲和数 (number theory) · es números amigos (number theory) · la numerus amīcābilis (number theory) · pl liczby zaprzyjaźniona (number theory) · ja 友愛数 (number theory) · it numero amicabile (number theory) · kk достас сандар (number theory) · cmn 相親數 /相亲数 (number theory) · de befreundete Zahlen (number theory)