Home CJK Unified Ideograph-6319 U+4E00 to U+9FFF CJK Unified Ideographs CJK Unified Ideograph-631B

Source: Noto CJK

U+631A CJK Unified Ideograph-631A

U+631A was added to Unicode in version 1.1 (1993). It belongs to the block U+4E00 to U+9FFF CJK Unified Ideographs in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as sincere, warm, cordial; surname. Its Pīnyīn pronunciation is zhì.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+631A behaves as Ideographic regarding line breaks. It has type Other Letter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

Representations

System	Representation
Nº	25370
UTF-8	E6 8C 9A
UTF-16	63 1A
UTF-32	00 00 63 1A
URL-Quoted	%E6%8C%9A
HTML hex reference	挚
Wrong windows-1252 Mojibake	æŒš
Pīnyīn	zhì

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	CJK UNIFIED IDEOGRAPH-631A
Unicode 1 Name	—
Block	CJK Unified Ideographs
General Category	Other Letter
Script	Han
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	CJK Unified Ideograph-631A
Lowercase	✘
Simple Lowercase Mapping	CJK Unified Ideograph-631A
Lowercase Mapping	CJK Unified Ideograph-631A
Uppercase	✘
Simple Uppercase Mapping	CJK Unified Ideograph-631A
Uppercase Mapping	CJK Unified Ideograph-631A
Simple Titlecase Mapping	CJK Unified Ideograph-631A
Titlecase Mapping	CJK Unified Ideograph-631A
Case Folding	CJK Unified Ideograph-631A
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	CJK Unified Ideograph-631A
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✔
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	CJK Unified Ideograph-631A
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✔
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	CJK Unified Ideograph-631A
Bidi Paired Bracket Type	None
East Asian Width	Wide
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Ideographic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	CJK Unified Ideograph-631A
Script Extension
Vertical Orientation	U
CCCII Mapping	27415B
Cangjie Input Code	QIQ
kCantonese	zi3
Unihan Definition	sincere, warm, cordial; surname
kEACC	27415B
kFourCornerCode	5550
kFrequency	5
kGB0	5431
kHanYu	31863.020
kIICore	AG
kIRGHanyuDaZidian	31863.020
kIRGKangXi	0431.171
kIRG_GSource	G0-563F
kKangXi	0431.171
kMainlandTelegraph	2304
kMandarin	zhì
Radical Stroke Count (KangXi)	64.6
Radical Stroke Count (Unicode)	64.6
kTGH	2013:1808
kTGHZ2013	478.170:zhì
Stroke Number	10
Traditional Variant	U+646F
UnihanCore2020 Set	G
kXHC1983	1492.060:zhì