1, even number (English) is another name for even number in mathematics. In mathematics, it can be expressed as 2n (n is a positive integer) as opposed to singular. Even numbers must be divisible by 2. It is worth noting that 0 is an even number (in 2002, the International Mathematical Association stipulated that 0 is an even number, and in 2004, China also stipulated that 0 is an even number).

2. Grammatical terms, which mostly appear in the process of language development, mean "two", "one pair" and "one pair". They are the same forms of words with singular and plural numbers (even the majority), such as ancient Greek, old English and old Russian. Now the concept of even numbers no longer exists, but only remains in some languages with a small range of use, such as Sanskrit, Hebrew, Arabic and so on. Some languages also have zero or three numbers, such as Sursurunga.

3, the characteristics of even numbers, this number is divided by two, there is no remainder. This number is a positive integer. The difference between single and even and odd, even and even numbers is another name for positive even numbers. In English, integers are divided into even numbers and odd numbers, where even numbers are even numbers.