Q: What is the negative version of the number 21,643,231?
A: -21,643,231
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:
| 21,643,229 | 21,643,230 | 21,643,232 | 21,643,233 |
| -21,643,229 | -21,643,230 | -21,643,232 | -21,643,233 |