U+1F229 "🈩" Squared CJK Unified Ideograph-4E00 Unicode Character
Unicode Version 17.0
🈩
U+1F229 "🈩" Squared CJK Unified Ideograph-4E00 is a square-shaped symbol that encloses the CJK (Chinese, Japanese, and Korean) ideograph "一", which means "one" in English. This character belongs to the Enclosed CJK Letters and Months block and is commonly used in East Asian typography, particularly in Japanese contexts, as a decorative or functional element such as a label or indicator. Its design combines the simplicity of the number one with a surrounding square, often appearing in signage, user interfaces, or textual elements to convey the concept of unity or the first item in a set.
General Properties
| Code Point | U+1F229 |
| Version Added | 5.2 |
| Name | Squared CJK Unified Ideograph-4E00 |
| Block | Enclosed Ideographic Supplement |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "一" U+4E00 CJK Unified Ideograph-# |
Encodings
| HTML Decimal Encoding | 🈩 |
| HTML Hex Encoding | 🈩 |
| UTF-8 Encoding | 0xF0 0x9F 0x88 0xA9 |
| UTF-16 Encoding | 0xD83C 0xDE29 |
| UTF-32 Encoding | 0x0001F229 |
| C/C++/Java Escape | \ud83c\ude29 |
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 | "一" U+4E00 CJK Unified Ideograph-# |
| NFKC Simple Casefold | "一" U+4E00 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 |