Q: What is the negative version of the number 21,617,207?
A: -21,617,207
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:
| 21,617,205 | 21,617,206 | 21,617,208 | 21,617,209 |
| -21,617,205 | -21,617,206 | -21,617,208 | -21,617,209 |