This article defines a property that can be evaluated for a natural number, i.e., every natural number either satisfies the property or does not satisfy the property.
View a complete list of properties of natural numbers
The ID of the sequence in the Online Encyclopedia of Integer Sequences is A033950
The first few refactorable numbers are .
- There do not exist three consecutive refactorable numbers (this was conjectured by Colton and proved by Ore).