Q: What is the negative version of the number 421,105,661?
A: -421,105,661
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:
| 421,105,659 | 421,105,660 | 421,105,662 | 421,105,663 |
| -421,105,659 | -421,105,660 | -421,105,662 | -421,105,663 |