Q: What is the negative version of the number 21,415,545?
A: -21,415,545
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:
| 21,415,543 | 21,415,544 | 21,415,546 | 21,415,547 |
| -21,415,543 | -21,415,544 | -21,415,546 | -21,415,547 |