Q: What is the negative version of the number 21,100,729?
A: -21,100,729
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:
| 21,100,727 | 21,100,728 | 21,100,730 | 21,100,731 |
| -21,100,727 | -21,100,728 | -21,100,730 | -21,100,731 |