Q: What is the negative version of the number 21,538,687?
A: -21,538,687
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:
| 21,538,685 | 21,538,686 | 21,538,688 | 21,538,689 |
| -21,538,685 | -21,538,686 | -21,538,688 | -21,538,689 |