Q: What is the negative version of the number 21,564,163?
A: -21,564,163
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:
| 21,564,161 | 21,564,162 | 21,564,164 | 21,564,165 |
| -21,564,161 | -21,564,162 | -21,564,164 | -21,564,165 |