Category:Definitions/Perfect Digit-to-Digit Invariants

From ProofWiki
Jump to navigation Jump to search

This category contains definitions related to Perfect Digit-to-Digit Invariants.
Related results can be found in Category:Perfect Digit-to-Digit Invariants.


A perfect digit-to-digit invariant is a number $n$ which is equal to the sum of the digits of $n$ each raised to the power of itself.