| Symbol Name | Subscript One |
| Unicode Version | 1.1 |
| Unicode | U+2081 |
| Unicode block | |
| General category | Other Number (No) |
| CSS Code | \2081 |
| Hex Code | 0x2081 |
| HTML Code | ₁ |
| LaTeX | _{1} |
| Symbol | ₁ |
| URL encode (UTF-8 percent) | %E2%82%81 |
| Spoken / screen reader name | Subscript One |
| UTF-8 | E2 82 81 |
| UTF-16 | 2081 |
| UTF-32 | 00002081 |
1\documentclass{article}2\usepackage{pifont}3_{1}4\end{document}You can type the subscript one symbol on most modern devices with the help of following methods:
Alt + 8321 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "subscript one", or use Unicode Hex Input with 2081.
Ctrl + Shift + U, type 2081, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with enclosed numeral support.
1span.subscript-one::before { content: "\2081"; }1<span>₁</span>Subscript One symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u2081' or String.fromCodePoint(0x2081) |
| Python | '\N{SUBSCRIPT ONE}' or chr(8321) |
| Rust | '\u{2081}' |
| C / C++ | UTF-8 source or wchar_t with U+2081 |
| Go | string(rune(0x2081)) |
| Ruby | "\u2081" |