90 (number) and Unitary perfect number

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between 90 (number) and Unitary perfect number

90 (number) vs. Unitary perfect number

90 (ninety) is the natural number preceded by 89 and followed by 91. A unitary perfect number is an integer which is the sum of its positive proper unitary divisors, not including the number itself.

Similarities between 90 (number) and Unitary perfect number

90 (number) and Unitary perfect number have 1 thing in common (in Unionpedia): Unitary divisor.

Unitary divisor

In mathematics, a natural number a is a unitary divisor (or Hall divisor) of a number b if a is a divisor of b and if a and \frac are coprime, having no common factor other than 1.

90 (number) and Unitary divisor · Unitary divisor and Unitary perfect number · See more »

The list above answers the following questions

What 90 (number) and Unitary perfect number have in common
What are the similarities between 90 (number) and Unitary perfect number

90 (number) and Unitary perfect number Comparison

90 (number) has 30 relations, while Unitary perfect number has 11. As they have in common 1, the Jaccard index is 2.44% = 1 / (30 + 11).

References

This article shows the relationship between 90 (number) and Unitary perfect number. To access each article from which the information was extracted, please visit:

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