perplexus.info :: Numbers : One, two, eight etc

One, two, eight etc (Posted on 2015-05-22)

List all the numbers (below 4000) that their Roman numeral representations have the same number of letters as their squares.

Submitted by Ady TZIDON

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Solution: (Hide)

1, 2, 8, 10, 20, 23, 32, 34, 38, 39

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
adding overbars for large squares	Charlie	2015-05-22 13:05:09
computer solution not considering overlining for large squares	Charlie	2015-05-22 10:52:38

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