What is the difference between Mathematical Sans-serif Italic Small O and Latin Small Letter O?

Mathematical Sans-serif Italic Small O is U+1D630 in the Mathematical Alphanumeric Symbols block. Latin Small Letter O is U+006F in the Basic Latin block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Mathematical Sans-serif Italic Small O?

The HTML entity for Mathematical Sans-serif Italic Small O (U+1D630) is 𝘰.

What is the HTML entity for Latin Small Letter O?

The HTML entity for Latin Small Letter O (U+006F) is o.

Are Mathematical Sans-serif Italic Small O and Latin Small Letter O the same Unicode character?

No. Mathematical Sans-serif Italic Small O is U+1D630 (decimal 120368) and Latin Small Letter O is U+006F (decimal 111). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Sans-serif Italic Small O and Latin Small Letter O?

Mathematical Sans-serif Italic Small O (U+1D630) encodes as F0 9D 98 B0 in UTF-8. Latin Small Letter O (U+006F) encodes as 6F in UTF-8.

Mathematical Sans-serif Italic Small O vs Latin Small Letter O

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

𝘰

Mathematical Sans-serif Italic Small O

U+1D630

Full details →

Latin Small Letter O

U+006F

Full details →

Property Comparison

Property	Mathematical Sans-serif Italic Small O	Latin Small Letter O
Codepoint	`U+1D630`	`U+006F`
Decimal	`120368`	`111`
HTML Entity	`𝘰`	`o`
HTML Decimal	`𝘰`	`o`
HTML Hex	`𝘰`	`o`
UTF-8	`F0 9D 98 B0`	`6F`
UTF-16	`D8 35 DE 30`	`00 6F`
UTF-32	`0001D630`	`0000006F`
CSS Escape	`\1D630`	`\6F`
JS Escape	`\uD835\uDE30`	`\u006F`
Python Escape	`\U0001D630`	`\u006F`
URL Encoded	`%F0%9D%98%B0`	`o`
Category	`Lowercase Letter (Ll)`	`Lowercase Letter (Ll)`
Block	`Mathematical Alphanumeric Symbols`	`Basic Latin`
Script	`Common`	`Latin`
Bidi Class	`L`	`L`
Unicode Version	`3.1`	`1.1`

Rows highlighted in amber differ between the two characters.

Common Comparisons

Frequently confused character pairs.

Em Dash vs En Dash 2014 / 2013 Hyphen-Minus vs Minus Sign 002D / 2212 Copyright vs Sound Recording Copyright 00A9 / 2117 Latin A vs Greek Alpha 0041 / 0391 Degree Sign vs Masculine Ordinal 00B0 / 00BA Left vs Right Single Quotation Mark 2018 / 2019 Left vs Right Double Quotation Mark 201C / 201D Multiplication Sign vs Letter x 00D7 / 0078 Right Quotation Mark vs Apostrophe 2019 / 0027 Horizontal Ellipsis vs Three Dots 2026 / 0020