U+1D5E2 "𝗢" Mathematical Sans-Serif Bold Capital O Unicode Character

U+1D5E2 "𝗢" Mathematical Sans-Serif Bold Capital O is a typographic variant of the Latin capital letter O, designed for use in mathematical and scientific notation where a bold, sans-serif style is required distinct from standard alphabetical characters. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced in Unicode version 3.1 to allow unambiguous representation of different font styles in plain text. This character is specifically intended for equations, variable naming, or symbolic logic, ensuring that the letter appears in a sans-serif boldface without relying on formatting markup, thus preserving its semantic meaning across different software and platforms.

General Properties

Code Point	U+1D5E2
Version Added	3.1
Name	Mathematical Sans-Serif Bold Capital O
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"O" U+004F Latin Capital Letter O

Encodings

HTML Decimal Encoding	𝗢
HTML Hex Encoding	𝗢
UTF-8 Encoding	0xF0 0x9D 0x97 0xA2
UTF-16 Encoding	0xD835 0xDDE2
UTF-32 Encoding	0x0001D5E2
C/C++/Java Escape	\ud835\udde2

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"o" U+006F Latin Small Letter O
NFKC Simple Casefold	"o" U+006F Latin Small Letter O
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper