harmonic divisor number
positive integer whose divisors have a harmonic mean that is an integer
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harmonic divisor number
Summary
harmonic divisor number is a type of integer[1]. It draws 41 Wikipedia views per month (type_of_integer category, ranking #28 of 70).[2]
Key Facts
- harmonic divisor number is credited with the discovery of Øystein Ore[3].
- harmonic divisor number's instance of is recorded as type of integer[4].
- harmonic divisor number's instance of is recorded as mathematical concept[5].
- harmonic divisor number's subclass of is recorded as positive integer[6].
- harmonic divisor number's time of discovery or invention is recorded as +1948-00-00T00:00:00Z[7].
- harmonic divisor number's Freebase ID is recorded as /m/02chc6[8].
- harmonic divisor number's OEIS ID is recorded as A001599[9].
- harmonic divisor number's defining formula is recorded as \frac{\sum_{d\mid n}1}{\sum_{d\mid n} \frac1d} \in\mathbb Z[10].
- harmonic divisor number's MathWorld ID is recorded as HarmonicDivisorNumber[11].
- harmonic divisor number's maintained by WikiProject is recorded as WikiProject Mathematics[12].
Body
Works and Contributions
harmonic divisor number is credited with the discovery of Øystein Ore[3].
Why It Matters
harmonic divisor number draws 41 Wikipedia views per month (type_of_integer category, ranking #28 of 70).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[13] It is known by 17 alternative names across languages and contexts.[14]