Problem 2491. Dudeney Numbers: Numbers which are the cube of their decimal sum
Solution Stats
Problem Comments
-
2 Comments
Alex Drikitis
on 14 Sep 2021
is there any negative dudeney number?
Dyuman Joshi
on 14 Sep 2021
Depends upon how you define them.
If you are taking - sign outside the cube of the sum, every negative number corresponding to the positive Dudeney number is a Dudeney number.
If you define by the way OP has defined, -1 qualifies as a Dudeney number.
Solution Comments
-
1 Comment
Jean-Marie Sainthillier
on 9 Aug 2014
Great minds think alike.
Problem Recent Solvers55
Suggested Problems
-
Find the sum of all the numbers of the input vector
39078 Solvers
-
All your base are belong to us
492 Solvers
-
Implement simple rotation cypher
1020 Solvers
-
Find nearest prime number less than input number
443 Solvers
-
Flip the vector from right to left
5186 Solvers
More from this Author9
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!