Q: What is the negative version of the number 21,512,651?
A: -21,512,651
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:
| 21,512,649 | 21,512,650 | 21,512,652 | 21,512,653 |
| -21,512,649 | -21,512,650 | -21,512,652 | -21,512,653 |