When asked if zero is an even or an odd number, most people will consider it a trick question and quickly answer neither. But they are mistaken. **Zero is an even number.**

Here’s why.

To fully understand why, we need to speak a bit about mathematical parity – the rules that define how we split up integers into two categories: even numbers and odd numbers. Simply said, if a number is divided by 2, then it’s an even number, if not, it’s an odd number. But what does that actually mean? *(the article continues after the ad)*

It basically means that when a number is divisible by 2, **the result must be an integer.** For example, eight is divisible by 2 because 8÷2=4 which is a whole number, hence eight is an even number. Nine on the other hand, is not divisible by 2 because 8÷2=4.5 which is not a whole number which makes nine an odd number.

So what about zero?

When we divide 0 by 2, the result we get is also 0. **Zero itself is an integer, therefore zero is classified as an even number.** Though it looks confusing, when we actually break it down, some arithmetic will clear up the confusion surrounding the (even) number 0.

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Sources: Is Zero an Even or an Odd Number? | Is Zero Even, Odd, or Neither?