Über die Zahlen der Form \(\sigma(n)-n\) und \(n-\varphi(n)\)

Erdős, P. (1973). Über die Zahlen der Form \(\sigma(n)-n\) und \(n-\varphi(n)\). Elemente der Mathematik, 83-86.

Type

Journal article

Intellectual base

Primary research

Year

1973

Link

https://geodesic.mathdoc.fr/volume/ELMA_1973__28/

Cited by

1 citation across 1 artifact.

Domain-specific

• Untouchable Number
  • Erdős proved that untouchable numbers are not sporadic but form an infinite, indeed positive-proportion, phenomenon.

Verification

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Registry ID ref:e2d685d4c7e2 · see in the full table