"∁" (U+2201)
∁
    | Name | COMPLEMENT | 
|---|---|
| Unicode Versin | 1.1 | 
| Plane(面) | 基本多言語面 (Basic Multilingual Plane) | 
| Block(ブロック) | 数学記号 (Mathematical Operators) | 
| Script | Common (Zyyy) | 
| Category | Math_Symbol (Sm) | 
| HTML Entity | ∁ ∁ | 
| UTF-8 Encoding | ∁ e28881 | 
| UTF-16 Encoding | ∁ 2201 | 
| UTF-32 Encoding | ∁ 00002201 |