Q: What is the negative version of the number 21,213,549?
A: -21,213,549
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:
| 21,213,547 | 21,213,548 | 21,213,550 | 21,213,551 |
| -21,213,547 | -21,213,548 | -21,213,550 | -21,213,551 |