Category:Definitions/Rare Numbers
Jump to navigation
Jump to search
This category contains definitions related to Rare Numbers.
Related results can be found in Category:Rare Numbers.
A rare number is a non-palindromic integer $n$ which has the property that $n + r$ and $n - r$ are both square, where $r$ is the reversal of $n$.
Pages in category "Definitions/Rare Numbers"
The following 3 pages are in this category, out of 3 total.