Q: What is the negative version of the number 21,501,715?
A: -21,501,715
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:
| 21,501,713 | 21,501,714 | 21,501,716 | 21,501,717 |
| -21,501,713 | -21,501,714 | -21,501,716 | -21,501,717 |