perplexus.info :: Numbers : SOD cubed equals Sum of Squares of SODs

Home > Numbers

SOD cubed equals Sum of Squares of SODs (Posted on 2019-11-20)

Find all 2 digit base 10 integer pairs (X, Y) such that:

... where sod(n) indicates the sum of digits of n

See The Solution Submitted by Larry

Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: solution? A typo

| Comment 3 of 4 |

(In reply to solution? by Jer)

11^3 s.b. 11^2

Please edit.

Posted by Ady TZIDON on 2019-11-20 14:36:16

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (5)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info