U+27EF "⟯" Mathematical Right Flattened Parenthesis Unicode Character

U+27EF "⟯" Mathematical Right Flattened Parenthesis is a specialized typographic symbol belonging to the block of Supplemental Mathematical Operators, designed to represent a closing bracket that has a compressed or flattened profile compared to a standard rounded parenthesis. It is primarily used in advanced mathematical notation and typesetting, often in contexts involving interval notation, logical groupings, or algorithmic syntax where a distinct asymmetrical or low-profile delimiter is needed for clarity. This character pairs symmetrically with its counterpart U+27EE "⟮" Mathematical Left Flattened Parenthesis, and together they help avoid visual clutter in complex expressions, though they remain relatively rare outside of academic or technical documents.

General Properties

Code Point	U+27EF
Version Added	5.1
Name	Mathematical Right Flattened Parenthesis
Block	Miscellaneous Mathematical Symbols-A
General Category	Close Punctuation
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral
Mirrored	Yes
Mirrored Character	"⟮" U+27EE Mathematical Left Flattened Parenthesis
Bidirectional Paired Bracket Type	Close
Bidirectional Paired Bracket	"⟮" U+27EE Mathematical Left Flattened Parenthesis

Encodings

HTML Decimal Encoding	⟯
HTML Hex Encoding	⟯
UTF-8 Encoding	0xE2 0x9F 0xAF
UTF-16 Encoding	0x27EF
UTF-32 Encoding	0x000027EF
C/C++/Java Escape	\u27ef

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	Close Punctuation
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Pattern Syntax	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Close