U+1D69B "𝚛" Mathematical Monospace Small R Unicode Character

U+1D69B "𝚛" Mathematical Monospace Small R is a stylistic glyph representing the lowercase letter R in a monospace or fixed width typeface, specifically designed for use within mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms to prevent ambiguity between variables, constants, and ordinary text in complex formulas. This character allows writers and typesetters to clearly denote a variable or operator with a typewriter style appearance, often employed in contexts like computer science, programming logic, and formal mathematics where a consistent, non proportional spacing is required.

General Properties

Code Point	U+1D69B
Version Added	3.1
Name	Mathematical Monospace Small R
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"r" U+0072 Latin Small Letter R

Encodings

HTML Decimal Encoding	𝚛
HTML Hex Encoding	𝚛
UTF-8 Encoding	0xF0 0x9D 0x9A 0x9B
UTF-16 Encoding	0xD835 0xDE9B
UTF-32 Encoding	0x0001D69B
C/C++/Java Escape	\ud835\ude9b

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"r" U+0072 Latin Small Letter R
NFKC Simple Casefold	"r" U+0072 Latin Small Letter R
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	Lower