U+2170

Small roman numeral oneⅰ

Small roman numeral one is a monochrome text character from the Unicode Number Forms block, listed here under Numbers. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "number", "1", "roman", "lowercase".

Quick facts

Unicode
U+2170
Decimal
8560
Hex
0x2170
Octal
0o20560

Unicode identity

FormatValueCopy
Code pointOfficial Unicode notationU+2170
Official nameUnicodeData.txt, Unicode 18.0.0SMALL ROMAN NUMERAL ONE
DecimalBase 108560
HexadecimalBase 160x2170
OctalBase 80o20560
BinaryBase 20010000101110000
General categoryNumber, letterNl
Unicode blockU+2150–U+218FNumber Forms
PlaneBasic Multilingual Plane (BMP, Plane 0)

HTML & CSS

FormatValueCopy
HTML entity (decimal)ⅰ
HTML entity (hex)ⅰ
CSS content escapeUse inside content: "…"\2170
URL encodedPercent-encoded UTF-8%E2%85%B0

Programming languages

FormatValueCopy
JavaScript / TypeScript\u2170
JSONUTF-16 surrogate pairs\u2170
Python\u2170
Java / C# / Kotlin\u2170

Byte encodings

FormatValueCopy
UTF-83 bytesE2 85 B0
UTF-16 (BE)2170
UTF-32 (BE)00002170

How to type Small roman numeral one

  • Windows

    Hold Alt and type +2170 with the hex numeric keypad option enabled, or type 2170 then press Alt+X in Word and most Office apps.

  • macOS

    Enable the Unicode Hex Input keyboard, hold Option, and type 2170. Or open Character Viewer (Control+Command+Space) and search "Small roman numeral one".

  • Linux

    Press Ctrl+Shift+U, type 2170, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.

  • HTML, CSS & code

    Paste the character directly, or use the escapes above: ⅰ in HTML, \2170 in CSS, and \u2170 in JavaScript.

Official Unicode reference

Character name
SMALL ROMAN NUMERAL ONE
Block
Number Forms (U+2150–U+218F)
General category
Nl — Number, letter

Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Number Forms block: U2150.pdf (PDF, unicode.org).

Frequently asked questions

How do I copy the Small roman numeral one symbol?

Click the Copy button at the top of this page, or select ⅰ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.

What is the Unicode code point for Small roman numeral one?

Small roman numeral one is U+2170 (decimal 8560, hexadecimal 0x2170, octal 0o20560). It lives in the Number Forms block (U+2150–U+218F) of the Basic Multilingual Plane (BMP, Plane 0).

What is the official Unicode name of Small roman numeral one?

The Unicode Standard (version 18.0.0) names this character "SMALL ROMAN NUMERAL ONE". Its General_Category is Nl (Number, letter).

What is the HTML code for Small roman numeral one?

Use ⅰ or ⅰ. In CSS, use content: "\2170".

How do I type Small roman numeral one in code?

JavaScript: "\u2170". Python: "\u2170". JSON and Java: "\u2170". The UTF-8 byte sequence is E2 85 B0.

Is Small roman numeral one an emoji?

No. Small roman numeral one is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.

Related symbols in Numbers

View all numbers