Q: What is the negative version of the number 21,587,617?
A: -21,587,617
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:
| 21,587,615 | 21,587,616 | 21,587,618 | 21,587,619 |
| -21,587,615 | -21,587,616 | -21,587,618 | -21,587,619 |