U+27C1 "⟁" White Triangle Containing Small White Triangle Unicode Character

U+27C1 "⟁" White Triangle Containing Small White Triangle is a geometric symbol composed of a larger, outlined white triangle with a smaller, solid white triangle nested inside it, typically rendered as a single glyph. It is part of the Miscellaneous Mathematical Symbols-A block and is often used in mathematical notation, logic diagrams, or geometric contexts to represent containment, hierarchy, or a subset relationship. The design conveys a clear visual metaphor of an inner element enclosed within an outer boundary, making it useful in technical or diagrammatic representations where such spatial or logical relationships need to be expressed concisely.

General Properties

Code Point	U+27C1
Version Added	4.1
Name	White Triangle Containing Small White Triangle
Block	Miscellaneous Mathematical Symbols-A
General Category	Math Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	⟁
HTML Hex Encoding	⟁
UTF-8 Encoding	0xE2 0x9F 0x81
UTF-16 Encoding	0x27C1
UTF-32 Encoding	0x000027C1
C/C++/Java Escape	\u27c1

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