Q: What is the negative version of the number 21,164,642?
A: -21,164,642
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:
| 21,164,640 | 21,164,641 | 21,164,643 | 21,164,644 |
| -21,164,640 | -21,164,641 | -21,164,643 | -21,164,644 |