Q: What is the negative version of the number 13,221,139?
A: -13,221,139
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:
| 13,221,137 | 13,221,138 | 13,221,140 | 13,221,141 |
| -13,221,137 | -13,221,138 | -13,221,140 | -13,221,141 |