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bn:03227967n
Noun Concept
Categories: Divisor function, Number theory, Integer sequences
EN
harmonic divisor number  Ore's harmonic number  Ore harmonic number  Ore number
EN
In mathematics, a harmonic divisor number or Ore number is a positive integer whose divisors have a harmonic mean that is an integer. Wikipedia
Definitions
Relations
Sources
EN
In mathematics, a harmonic divisor number or Ore number is a positive integer whose divisors have a harmonic mean that is an integer. Wikipedia
Positive integer whose divisors have a harmonic mean that is an integer Wikidata
IS A
natural number
HAS KIND
perfect number
DISCOVERER OR INVENTOR
Øystein Ore
Wikipedia
EN
harmonic divisor number
Wikidata
EN
harmonic divisor number
Wikipedia Redirections
EN
Ore's harmonic number, Ore harmonic number, Ore number

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