U+03A1 "Ρ" Greek Capital Letter Rho Unicode Character

U+03A1 "Ρ" Greek Capital Letter Rho is the uppercase form of the seventeenth letter in the Greek alphabet, corresponding to the Latin letter "R" and the Cyrillic "Р". In ancient Greek, it represented a trilled or rolled r sound, while in modern Greek it is pronounced as a simple alveolar tap or trill. The character is commonly used in various academic and technical contexts, including mathematics for representing the radius or density, as well as in statistics for the correlation coefficient, and it is also historically known for its numeric value of 100 in the Greek numeral system.

General Properties

Code Point	U+03A1
Version Added	1.1
Name	Greek Capital Letter Rho
Block	Greek and Coptic
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	Ρ
HTML Hex Encoding	Ρ
UTF-8 Encoding	0xCE 0xA1
UTF-16 Encoding	0x03A1
UTF-32 Encoding	0x000003A1
C/C++/Java Escape	\u03a1

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
East Asian Width	Ambiguous
Uppercase	Yes
Simple Lowercase Code Point	"ρ" U+03C1 Greek Small Letter Rho
Lowercase Code Point	"ρ" U+03C1 Greek Small Letter Rho
Simple Case Folding	"ρ" U+03C1 Greek Small Letter Rho
Case Folding	"ρ" U+03C1 Greek Small Letter Rho
Cased	Yes
Changes When Casefolded	Yes
Changes When Casemapped	Yes
Changes When Lowercased	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	Greek
Script Extensions	Greek
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper