perplexus.info :: Numbers : Sum of 4 squares

Sum of 4 squares (Posted on 2018-07-08)

The number N is a sum of 4 different numbers, each being a square of one of the 4 smallest divisors of N (e.g. N=36 does not qualify since 1^2+2^2+3^2+4^2
sums up to 30, not 36.)

Provide a full list of similar numbers or show that none exist.

Submitted by Ady TZIDON

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Solution: (Hide)

130 = 1^2+2^2+5^2+10^2

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

Subject	Author	Date
Just S/W notes...	Steven Lord	2018-07-08 22:59:26
solution	xdog	2018-07-08 20:15:11
thoughts	Steven Lord	2018-07-08 16:07:38
computer finding (no proof of completeness)	Charlie	2018-07-08 15:55:49

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