unicode

∅

U+2205

EMPTY SET

EMPTY SET · Math Symbol · Mathematical Operators · Common script

Quick facts

Code point: U+2205
Decimal: 8709
Name: EMPTY SET
General category: Sm — Math Symbol
Block: Mathematical Operators
Script: Common
Bidi class: ON
Combining class: 0
Age: 1.1
Name aliases: —

Normalization & case

Decomposition: —
Uppercase: —
Lowercase: —
Titlecase: —
Case folding: —
Bidi mirrored: No

Layout & width

East Asian Width: N
Line Break: AL
Numeric: —
Script extensions: —

Developer examples

JS: '\u{2205}' // U+2205
Python: "\N{EMPTY SET}"
HTML: ∅

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
HTML named
HTML named
HTML named
HTML named
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Previous

U+2204

Next

U+2206

HTML entity

∅

HTML entity

&emptyset;

HTML entity

&emptyv;

HTML entity

&varnothing;

Block

Mathematical Operators

Category

Math Symbol

Script

Common

Source

Unicode: 16.0.0
WHATWG: —