U+33D1

Natural log

Natural log is a monochrome text character from the Unicode CJK Compatibility block, listed here under Units & Measurements. 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 "ln", "logarithm", "math", "unit".

Quick facts

Unicode
U+33D1
Decimal
13265
Hex
0x33D1
Octal
0o31721

Unicode identity

FormatValueCopy
Code pointOfficial Unicode notationU+33D1
Official nameUnicodeData.txt, Unicode 18.0.0SQUARE LN
Unicode 1.0 nameLegacy aliasSQUARED LN
DecimalBase 1013265
HexadecimalBase 160x33D1
OctalBase 80o31721
BinaryBase 20011001111010001
General categorySymbol, otherSo
Unicode blockU+3300–U+33FFCJK Compatibility
PlaneBasic Multilingual Plane (BMP, Plane 0)

HTML & CSS

FormatValueCopy
HTML entity (decimal)㏑
HTML entity (hex)㏑
CSS content escapeUse inside content: "…"\33D1
URL encodedPercent-encoded UTF-8%E3%8F%91

Programming languages

FormatValueCopy
JavaScript / TypeScript\u33D1
JSONUTF-16 surrogate pairs\u33D1
Python\u33D1
Java / C# / Kotlin\u33D1

Byte encodings

FormatValueCopy
UTF-83 bytesE3 8F 91
UTF-16 (BE)33D1
UTF-32 (BE)000033D1

How to type Natural log

  • Windows

    Hold Alt and type +33D1 with the hex numeric keypad option enabled, or type 33D1 then press Alt+X in Word and most Office apps.

  • macOS

    Enable the Unicode Hex Input keyboard, hold Option, and type 33D1. Or open Character Viewer (Control+Command+Space) and search "Natural log".

  • Linux

    Press Ctrl+Shift+U, type 33d1, 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: ㏑ in HTML, \33D1 in CSS, and \u33D1 in JavaScript.

Official Unicode reference

Character name
SQUARE LN
Unicode 1.0 name
SQUARED LN
Block
CJK Compatibility (U+3300–U+33FF)
General category
So — Symbol, other

Data from the Unicode Character Database, version 18.0.0. See the official code chart for the CJK Compatibility block: U3300.pdf (PDF, unicode.org).

Frequently asked questions

How do I copy the Natural log symbol?

Click the Copy button at the top of this page, or select ㏑ 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 Natural log?

Natural log is U+33D1 (decimal 13265, hexadecimal 0x33D1, octal 0o31721). It lives in the CJK Compatibility block (U+3300–U+33FF) of the Basic Multilingual Plane (BMP, Plane 0).

What is the official Unicode name of Natural log?

The Unicode Standard (version 18.0.0) names this character "SQUARE LN"; its Unicode 1.0 name was "SQUARED LN". Its General_Category is So (Symbol, other).

What is the HTML code for Natural log?

Use ㏑ or ㏑. In CSS, use content: "\33D1".

How do I type Natural log in code?

JavaScript: "\u33D1". Python: "\u33D1". JSON and Java: "\u33D1". The UTF-8 byte sequence is E3 8F 91.

Is Natural log an emoji?

No. Natural log 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.

View all units & measurements