Rare Number/Examples/65
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Example of Rare Number
$65$ is a rare number:
| \(\ds 65 + 56\) | \(=\) | \(\ds 121\) | ||||||||||||
| \(\ds \) | \(=\) | \(\ds 11^2\) |
| \(\ds 65 - 56\) | \(=\) | \(\ds 9\) | ||||||||||||
| \(\ds \) | \(=\) | \(\ds 3^2\) |