U+1D780 "𝞀" Mathematical Sans-Serif Bold Small Rho Unicode Character

U+1D780 "𝞀" Mathematical Sans-Serif Bold Small Rho is a stylized variant of the lowercase Greek letter rho, designed in a sans-serif bold typeface, and it belongs to the Unicode block known as "Mathematical Alphanumeric Symbols." This character is used primarily in mathematical and scientific notation to represent specific variables, constants, or functions, often when a distinct visual style is needed to differentiate it from ordinary text or other rho variants. By providing a sans-serif bold weight, this character helps authors and typesetters maintain clear visual hierarchy and avoid ambiguity in complex formulas, such as those found in physics, engineering, or statistics.

General Properties

Code Point	U+1D780
Version Added	3.1
Name	Mathematical Sans-Serif Bold Small Rho
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"ρ" U+03C1 Greek Small Letter Rho

Encodings

HTML Decimal Encoding	𝞀
HTML Hex Encoding	𝞀
UTF-8 Encoding	0xF0 0x9D 0x9E 0x80
UTF-16 Encoding	0xD835 0xDF80
UTF-32 Encoding	0x0001D780
C/C++/Java Escape	\ud835\udf80

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	"ρ" U+03C1 Greek Small Letter Rho
NFKC Simple Casefold	"ρ" U+03C1 Greek Small Letter Rho
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