Q: What is the negative version of the number 21,143,609?
A: -21,143,609
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:
| 21,143,607 | 21,143,608 | 21,143,610 | 21,143,611 |
| -21,143,607 | -21,143,608 | -21,143,610 | -21,143,611 |