Q: What is the negative version of the number 21,179,821?
A: -21,179,821
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:
| 21,179,819 | 21,179,820 | 21,179,822 | 21,179,823 |
| -21,179,819 | -21,179,820 | -21,179,822 | -21,179,823 |