Q: What is the negative version of the number 21,521,247?
A: -21,521,247
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:
| 21,521,245 | 21,521,246 | 21,521,248 | 21,521,249 |
| -21,521,245 | -21,521,246 | -21,521,248 | -21,521,249 |