Home > Just Math
| Divisible Digits (Posted on 2024-09-16) |
 |
Determine all three-digit numbers N having the property that N is divisible by 11, and N/11 is equal to the sum of the squares of the digits of N.
computer solution
|
 | Comment 1 of 2
|
for n=110:11:999 ds=num2str(n)-'0'; s=sum(ds.^2); if s==n/11 disp(n) end end
finds
|
|
Posted by Charlie
on 2024-09-16 16:05:19 |
|
|
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|
