Q: What is the negative version of the number 21,507,729?
A: -21,507,729
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:
| 21,507,727 | 21,507,728 | 21,507,730 | 21,507,731 |
| -21,507,727 | -21,507,728 | -21,507,730 | -21,507,731 |