# Even number

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An even number is an integer that can be divided by two and remain an integer or has no remainder. For example, ${\displaystyle 16}$ is an even number, because ${\displaystyle 16\div 2=8}$, and ${\displaystyle 8}$ is an integer.
If an even number is divided by two, the result is another integer. Another way to say this is that even numbers are divisible by two. If ${\displaystyle n}$ is an even number, we can write this as ${\displaystyle 2\mid n}$, which means "${\displaystyle 2}$ divides ${\displaystyle n}$".
Since even numbers are integers, negative numbers can be even. For example, ${\displaystyle -16}$ is an even negative number. Also, ${\displaystyle 0}$ is an even number, because ${\displaystyle 0\div 2=0}$.