Q: What is the negative version of the number 21,517,428?
A: -21,517,428
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:
| 21,517,426 | 21,517,427 | 21,517,429 | 21,517,430 |
| -21,517,426 | -21,517,427 | -21,517,429 | -21,517,430 |