Word.ws English Dictionary

amicable numbers

amicable numbers is the plural of amicable number.

Meaning of amicable number

Noun

amicable number (plural amicable numbers)

  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.

Questions about amicable numbers

What is amicable numbers the plural of?
Amicable numbers is the plural of amicable number.

Words near amicable numbers in the dictionary

  1. amica curiae
  2. amicabilities
  3. amicability
  4. amicable
  5. amicable number
  6. amicable numbers
  7. amicable suit
  8. amicable suits
  9. amicableness
  10. amicablenesses
  11. amicably

Source and license

Adapted from Wiktionary: amicable numbers (page history and authors); amicable number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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