Q: What is the negative version of the number 21,487,421?
A: -21,487,421
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:
21,487,419 | 21,487,420 | 21,487,422 | 21,487,423 |
-21,487,419 | -21,487,420 | -21,487,422 | -21,487,423 |