Q: What is the negative version of the number 1,639?

A: -1,639

Why is -1,639 the negative of 1,639?

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:

1,637	1,638	1,640	1,641
-1,637	-1,638	-1,640	-1,641

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