Even number. Even the grammatical terms appearing in the process of language development have the meanings of "two", "one pair" and "one pair".

The characteristics of even numbers:

This number is divided by two, and there is no remainder.

The difference between odd and even.

There is a difference between odd and even numbers, not as some people say: the main difference lies in the occasion of use. But because odd and even numbers are generally used as terms in mathematics to classify all integers; Even and odd numbers are only positive integers, and negative numbers are not mentioned in ordinary daily language, so they are often heard.

Extended data:

Regarding even numbers (even numbers) and odd numbers (odd numbers), there are the following properties:

(1) Two consecutive integers must be odd and even;

(2) The sum or difference between odd numbers is even; The sum or difference between even and odd numbers is odd; The sum of any number of even numbers is even; The sum of odd numbers is odd; The sum of even and odd numbers is even;

(3) The sum or difference of two odd (even) numbers is even; The sum or difference between even and odd numbers must be odd numbers;

(4) All positive even numbers except 2 are composite numbers;

(5) The greatest common divisor of adjacent even numbers is 2, and the least common multiple is half of their product;

(6) The product of odd number and odd number is odd number; The product of even number and even number is even number; The product of odd number and even number is even number;

(7) Even numbers must be 0, 2, 4, 6 or 8; Odd numbers must be 1, 3, 5, 7 or 9.

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