Q: What is the negative version of the number 21,723,161?
A: -21,723,161
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:
| 21,723,159 | 21,723,160 | 21,723,162 | 21,723,163 |
| -21,723,159 | -21,723,160 | -21,723,162 | -21,723,163 |