số chẵn
Definition
- Noun:
- Even number: A whole number that is exactly divisible by two without leaving a remainder. The set of even numbers includes ..., -4, -2, 0, 2, 4, 6, ...
Usage Examples
- Noun:
- Số 10 là một số chẵn. (The number 10 is an even number.)
- Trong dãy số từ 1 đến 10, có năm số chẵn. (In the sequence from 1 to 10, there are five even numbers.)
- Hãy chọn tất cả các số chẵn trong danh sách. (Please select all the even numbers in the list.)
Advanced Usage
- In mathematics, the property of being even is fundamental to number theory and arithmetic rules (e.g., the sum of two even numbers is always even).
- In programming and logic, checking if a number is even () is a common operation, often using the modulo operator (e.g., ).
Variants and Related Words
- Số lẻ (n): Odd number. The direct opposite of an even number; a whole number not divisible by two.
- Số 7 là số lẻ. (The number 7 is an odd number.)
Synonyms
- Even integer: A more formal mathematical term.
- Divisible by two: A descriptive phrase for the property.
Related Concepts
- Chẵn và lẻ (n): Even and odd. The fundamental classification of integers.
- Trẻ em học về khái niệm chẵn và lẻ. (Children learn about the concept of even and odd.)
- Tính chẵn lẻ (n): Parity. The property of an integer being either even or odd.
- Tính chẵn lẻ rất quan trọng trong mã hóa. (Parity is very important in encryption.)