Q: What is the negative version of the number 21,721,959?
A: -21,721,959
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:
| 21,721,957 | 21,721,958 | 21,721,960 | 21,721,961 |
| -21,721,957 | -21,721,958 | -21,721,960 | -21,721,961 |