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Singular pair of numbers (Posted on 2008-11-03)

What peculiarity do the numbers 567 and 854 share that no other three-digit positive integer number has?

See The Solution Submitted by pcbouhid

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Puzzle Thoughts

Comment 4 of 4 |

SQUARE of 567 = 321489

SQUARE of 854 = 729316

Therefore, the uniqueness of the two numbers is that: each of them represents the digits 1-9 exactly once when the number and its square are written besides each other.

Posted by K Sengupta on 2023-08-17 08:56:10

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