even number
integer divisible by 2
An even number is any positive integer that can be divided by 2 without leaving a remainder. In other words, when an even number is divided by 2, the result is always another integer.
For example, 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20 are all even numbers since they can be divided by 2 without leaving a remainder.
To determine if a number is even, you can use the modulus operator (%). When a number is divided by 2 and the remainder is 0, then that number is even. For instance, 10 % 2 = 0, so 10 is even. However, 11 % 2 = 1, so 11 is odd.
Even numbers have some interesting properties, such as:
– Any even number can be written as the sum of two odd numbers. For example, 4 can be written as 1 + 3, 6 can be written as 1 + 5, and so on.
– The product of any two even numbers is always even.
– Even numbers are symmetric about 0 on the number line. That is, for every even number n, -n is also even.
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