Q: What is the negative version of the number 15,221,645?
A: -15,221,645
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:
| 15,221,643 | 15,221,644 | 15,221,646 | 15,221,647 |
| -15,221,643 | -15,221,644 | -15,221,646 | -15,221,647 |