U+5181 "冁" CJK Unified Ideograph-# Unicode Character

U+5181 "冁" CJK Unified Ideograph-# is a Chinese character that primarily means "to laugh heartily" or "to grin broadly," often conveying a sense of unrestrained joy. It is a traditional character with simplified forms sometimes used in modern contexts, and its structure combines the "eight" radical with phonetic and semantic components related to laughter or expression. In classical literature and idioms, it appears in phrases such as "冁然而笑" which describes a genuine, beaming smile. The character is relatively rare in everyday usage but retains cultural significance in artistic and literary Chinese.

General Properties

Code Point	U+5181
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	冁
HTML Hex Encoding	冁
UTF-8 Encoding	0xE5 0x86 0x81
UTF-16 Encoding	0x5181
UTF-32 Encoding	0x00005181
C/C++/Java Escape	\u5181

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	Ideographic
East Asian Width	Wide
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes
Unified Ideograph	Yes

Unihan Properties

kCCCII	277360
kCangjie	CJSTV
kCantonese	cin2
kDefinition	smile
kEACC	277360
kFourCornerCode	8753
kGB0	5770
kHanYu	10254.030
kIRGHanyuDaZidian	10254.030
kIRGKangXi	0157.201
kIRG_GSource	G0-5966
kTGH	2013:8023
kKangXi	0157.201
kMainlandTelegraph	0912
kMandarin	chǎn
kRSUnicode	12.16
kTGHZ2013	037.230:chǎn
kTotalStrokes	18
kTraditionalVariant	"囅" U+56C5 CJK Unified Ideograph-#
kUnihanCore2020	G
kXHC1983	0119.050:chǎn