Q: What is the negative version of the number 21,742,431?
A: -21,742,431
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:
| 21,742,429 | 21,742,430 | 21,742,432 | 21,742,433 |
| -21,742,429 | -21,742,430 | -21,742,432 | -21,742,433 |