Q: What is the negative version of the number 21,291,643?
A: -21,291,643
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:
| 21,291,641 | 21,291,642 | 21,291,644 | 21,291,645 |
| -21,291,641 | -21,291,642 | -21,291,644 | -21,291,645 |