Q: What is the negative version of the number 21,210,397?
A: -21,210,397
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:
| 21,210,395 | 21,210,396 | 21,210,398 | 21,210,399 |
| -21,210,395 | -21,210,396 | -21,210,398 | -21,210,399 |