Q: What is the negative version of the number 21,205,145?
A: -21,205,145
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:
| 21,205,143 | 21,205,144 | 21,205,146 | 21,205,147 |
| -21,205,143 | -21,205,144 | -21,205,146 | -21,205,147 |