U+4021 "䀡" CJK Unified Ideograph-# Unicode Character

Unicode Version 17.0

The Unicode character 4021 "䀡" Private Use Area is a reserved code point within the Unicode standard that does not represent a specific, universally defined character or glyph. Instead, it is part of the CJK Unified Ideographs Extension A block designated for private or custom use, meaning that software, font designers, or individuals can assign their own meaning or symbol to this code point for specialized applications, such as in corporate fonts, custom symbols and emojis, internal text encoding, or legacy systems. Because its appearance and function are entirely dependent on the private conventions adopted by a particular user or developer, the character has no guaranteed representation across different platforms or devices, and its use outside of that private context can lead to missing or incorrectly displayed text.

General Properties

Code Point U+4021
Version Added 3.0
Name CJK Unified Ideograph-#
Block CJK Unified Ideographs Extension A
General Category Other Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding 䀡
HTML Hex Encoding 䀡
UTF-8 Encoding 0xE4 0x80 0xA1
UTF-16 Encoding 0x4021
UTF-32 Encoding 0x00004021
C/C++/Java Escape \u4021

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

kCangjie BUYR
kCantonese zim1
kDefinition (same as 覘) to spy on; to see; to observe; to inspect, to cast the eyes down, the insight of the debauchee, to move the eyes; to look around
kFanqie 丁兼 丑豔 都念
kHanYu 42479.120
kHanyuPinyin 42479.120:chàn,diān,tàn
kIRGHanyuDaZidian 42479.120
kIRGKangXi 0804.170
kIRG_GSource G5-5923
kIRG_JSource JMJ-002816
kIRG_KPSource KP1-5DE1
kIRG_KSource K3-2C53
kIRG_TSource T3-3266
kIRG_VSource V0-3E53
kJapanese テン セン タン
kKangXi 0804.170
kMandarin chàn
kMojiJoho MJ002816
kMorohashi 23234
kRSUnicode 109.5
kSBGY 228.44 444.10 444.41
kSemanticVariant U+4993 U+8998
kTotalStrokes 10
kVietnamese xem