Q: What is the negative version of the number 21,218,623?
A: -21,218,623
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:
| 21,218,621 | 21,218,622 | 21,218,624 | 21,218,625 |
| -21,218,621 | -21,218,622 | -21,218,624 | -21,218,625 |