Inspired by the movie "1408", let's have a little bit of fun with the lucky number 13. Give an example of five (5) different four-digit numbers whose sum of the digits in its square equals to 13. For example, for a one-digit number, the square of 7 is 49; the sum of 4 and 9 is 13.
Solution Stats
Solution Comments
Show comments
Loading...
Problem Recent Solvers29
Suggested Problems
-
Change the sign of even index entries of the reversed vector
663 Solvers
-
Generate a random matrix A of (1,-1)
435 Solvers
-
11801 Solvers
-
39 Solvers
-
29 Solvers
More from this Author180
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!