A007850: Giuga numbers: composite numbers n such that p divides n/p - 1 for every prime divisor p of n

OEIS Foundation Inc. (2026). A007850: Giuga numbers: composite numbers n such that p divides n/p - 1 for every prime divisor p of n.

Type

Reference work

Intellectual base

Reference work

Year

2026

Link

https://oeis.org/A007850

Cited by

1 citation across 1 artifact.

Domain-specific

• Giuga Number
  • 30. The factors 2, 3, and 5 all pass, making 30 the smallest Giuga number

Verification

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Registry ID ref:1e6f60c3dbc3 · see in the full table