Q: What is the negative version of the number 21,309,959?
A: -21,309,959
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:
| 21,309,957 | 21,309,958 | 21,309,960 | 21,309,961 |
| -21,309,957 | -21,309,958 | -21,309,960 | -21,309,961 |