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bn:02573711n
Noun Concept
Categories: Divisor function, Integer sequences, Arithmetic dynamics
EN
abundant number  abundancy index  abundant numbers  excessive number  Excessive Numbers
EN
In number theory, an abundant number or excessive number is a number for which the sum of its proper divisors is greater than the number. Wikipedia
Definitions
Examples
Relations
Sources
EN
In number theory, an abundant number or excessive number is a number for which the sum of its proper divisors is greater than the number. Wikipedia
Number for which the sum of its proper divisors is greater than the number itself Wikidata
A number that is less than the sum of its proper divisors (all divisors except the number itself). Wiktionary
Number that is less than the sum of its proper divisors. Wiktionary (translation)
EN
The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30, and 1 + 2 + 3 + 5 + 6 + 10 + 15 = 42, which is greater than 30, so 30 is an abundant number. Wiktionary
IS A
natural number
HAS KIND
weird number
admirable number
HAS INSTANCE
twelve
eighteen
twenty
twenty-four
thirty
+16 relations
OPPOSITE OF
deficient number
Wikipedia
EN
abundant number
Wikidata
EN
abundant number
Wiktionary
EN
abundant number
Wikipedia Redirections
EN
abundancy index, Abundant Number, abundant numbers, excessive number, Excessive Numbers, Odd abundant number
Wikidata Alias
EN
excessive number

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