Q: What is the negative version of the number 21,137,401?
A: -21,137,401
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:
| 21,137,399 | 21,137,400 | 21,137,402 | 21,137,403 |
| -21,137,399 | -21,137,400 | -21,137,402 | -21,137,403 |