奇数

1. Origins, structure, and basic meaning

• Structure: 奇数 is read きすう.
• Basic usage: It means an odd number.

2. Common pitfalls and similar expressions

• Classifying numbers
  • 一、三、五はどれも奇数: one, three, and five are examples of odd numbers.
• A property of a number
  • 番号が奇数の人: people whose assigned numbers are odd.