cleannumber
nounUK /ˈkliːn ˈnʌmbə/
US /ˈklin ˈnʌmbər/
A clean number is a number that is neat and easy to use.
Ten is a clean number because it is easy to add and count with.
OTHER MEANINGS
2. A number with no messy decimals or extra digits.
She wrote 50 instead of 49.7 to keep it a clean number.
3. A number that is free of errors or mistakes.
After checking the list, every entry was a clean number.
4. In sports, a score that is simple and easy to read.
The final score was a clean number, 3 to 0.
5. A number that divides evenly without a remainder.
Twelve is a clean number when you split it among four friends.