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by Brian Gladman on January 11, 2020

Sunday Times Teaser 2990 – Squares and Cubes

by  Howard Williams

Published January 12 2020 (link)

Jenny is pleased that she has found two whole numbers with a remarkable property. One of them is a single digit greater than zero while the other one has two digits. The remarkable thing is that the difference of their squares is a perfect cube and the difference of their cubes is a perfect square.

Her sister Sarah is not impressed, however. She has found two three-digit numbers for which the difference of their squares is also a perfect cube and the difference of their cubes is also a perfect square.

In ascending order, what are the four numbers?

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