Is 3991 an even or odd number?

Here are a couple of methods you can use to figure out if 3991 is an even or odd number:

Divide By Two Method
You can divide 3991 by two and if the result is an integer (whole number) then it is an even number. Otherwise, it is an odd number. 3991 divided by 2 is 1995.5, which is not an integer. Therefore, 3991 is an odd number.

Last Number Method
Another way to determine if 3991 is and even or odd number is simply to look at the last digit in 3991. If the last digit is 0, 2, 4, 6, or 8 then the number is even, and if it is 1, 3, 5, 7, or 9 then it is an odd number. The last digit in 3991 is 1, therefore, 3991 is an odd number.

3991 = odd number

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Is 3992 an even or odd number?
Using one of the methods above, do you think you can figure out if the next number on our list is even or odd?