∞
U+221E INFINITY
Mathematical Operators · Math symbol
| Name | INFINITY |
|---|---|
| Code point | U+221E |
| Decimal | 8734 |
| Block | Mathematical Operators |
| Category | Math symbol (Sm) |
| UTF-8 | E2 88 9E |
| UTF-16 | 221E |
| UTF-32 | 0000221E |
| HTML | ∞ ∞ ∞ |
| CSS | \221E |
| JavaScript | \u221E |
| Python | \u221e |
| URL-encoded | %E2%88%9E |
Frequently asked questions
What is the character U+221E?
U+221E ∞ is officially named INFINITY. It belongs to the Mathematical Operators block and the category Math symbol.
How do I type ∞?
Windows (Word, WordPad): type 221E, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 221e, then Space. macOS: enable the “Unicode Hex Input” keyboard, hold Option and type 221E. Or simply copy it from this page.
How do I write ∞ in HTML?
As a numeric character reference ∞ (decimal) or ∞ (hexadecimal). In UTF-8 documents you can also insert the character directly. There is also the named entity ∞.
How is ∞ encoded in UTF-8?
In UTF-8 the character takes 3 bytes: E2 88 9E. In UTF-16: 221E.