Q: What is the negative version of the number 421,505,223?
A: -421,505,223
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:
| 421,505,221 | 421,505,222 | 421,505,224 | 421,505,225 |
| -421,505,221 | -421,505,222 | -421,505,224 | -421,505,225 |