Digit Sums
Digit Sums
Which numbers have digits that add up to a given number?
For example, consider all two-digit numbers and a target digit sum of 10. The solution is {19, 28, 37, 46, 55, 64, 73, 82, 91}.
Permanent Citation
Permanent Citation
Bhuvanesh Bhatt, Arnoud Buzing
"Digit Sums"
http://demonstrations.wolfram.com/DigitSums/
Wolfram Demonstrations Project
Published: March 7, 2011