Numbers whose Difference equals Difference between Cube and Seventh Power/Mistake

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Source Work

1997: David Wells: Curious and Interesting Numbers (2nd ed.):

The Dictionary
$125$


Mistake

$5^3 - 2^7 = 5 - 2$. The only known matching pattern is $13^3 - 3^7 = 13 - 3$.


In fact $5^3 - 2^7 = -3$, not $3$.


Sources