U+1F21B "🈛" Squared CJK Unified Ideograph-6599 Unicode Character
Unicode Version 17.0
🈛
U+1F21B "🈛" Squared CJK Unified Ideograph-6599 is a square-shaped symbol representing a specific Chinese character, the ideograph for "chang" (as in "long" or "length"), which is encoded as CJK Unified Ideograph U+6599. This glyph is part of the Enclosed Ideographic Supplement block, designed for use in Japanese signage and digital communication to indicate a business or service type, such as a processing shop or a place of establishment, where the square enclosure standardizes the appearance for compatibility with existing typographic conventions.
General Properties
| Code Point | U+1F21B |
| Version Added | 5.2 |
| Name | Squared CJK Unified Ideograph-6599 |
| Block | Enclosed Ideographic Supplement |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "æ–™" U+6599 CJK Unified Ideograph-# |
Encodings
| HTML Decimal Encoding | 🈛 |
| HTML Hex Encoding | 🈛 |
| UTF-8 Encoding | 0xF0 0x9F 0x88 0x9B |
| UTF-16 Encoding | 0xD83C 0xDE1B |
| UTF-32 Encoding | 0x0001F21B |
| C/C++/Java Escape | \ud83c\ude1b |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "æ–™" U+6599 CJK Unified Ideograph-# |
| NFKC Simple Casefold | "æ–™" U+6599 CJK Unified Ideograph-# |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |