Q: What is the negative version of the number 21,424,517?
A: -21,424,517
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:
| 21,424,515 | 21,424,516 | 21,424,518 | 21,424,519 |
| -21,424,515 | -21,424,516 | -21,424,518 | -21,424,519 |