Q: What is the negative version of the number 13,539,991?
A: -13,539,991
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:
| 13,539,989 | 13,539,990 | 13,539,992 | 13,539,993 |
| -13,539,989 | -13,539,990 | -13,539,992 | -13,539,993 |