Q: What is the negative version of the number 21,555,117?
A: -21,555,117
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,555,115 | 21,555,116 | 21,555,118 | 21,555,119 |
| -21,555,115 | -21,555,116 | -21,555,118 | -21,555,119 |