Q: What is the negative version of the number 21,513,545?
A: -21,513,545
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:
| 21,513,543 | 21,513,544 | 21,513,546 | 21,513,547 |
| -21,513,543 | -21,513,544 | -21,513,546 | -21,513,547 |