| Name: | CJK Unified Ideograph-666C[1] | 
| Unicode Version: | 1.1 (June 1993)[2] | 
| Block: | CJK Unified Ideographs, U+4E00 - U+9FFF[3] | 
| Plane: | Basic Multilingual Plane, U+0000 - U+FFFF[3] | 
| Script: | Han (Hanzi, Kanji, Hanja) (Hani) [4] | 
| Category: | Other Letter (Lo) [1] | 
| Bidirectional Class: | Left To Right (L) [1] | 
| Combining Class: | Not Reordered (0) [1] | 
| Character is Mirrored: | No [1] | 
| HTML Entity: | 
  | 
| UTF-8 Encoding: | 0xE6 0x99 0xAC | 
| UTF-16 Encoding: | 0x666C | 
| UTF-32 Encoding: | 0x0000666C | 
| kDaeJaweon | 0862.090 | 
| kHanYu | 21520.050 | 
| kIRGDaeJaweon | 0862.090 | 
| kIRGDaiKanwaZiten | 13977 | 
| kIRGHanyuDaZidian | 21520.050 | 
| kIRGKangXi | 0496.240 | 
| kKangXi | 0496.240 | 
| kMatthews | 6861 | 
| kMorohashi | 13977 | 
| kSBGY | 388.30 | 
| kCantonese | zeoi3 | 
| kDefinition | first birthday of a child | 
| kHangul | 수:1N | 
| kHanyuPinyin | 21520.050:zuì | 
| kJapaneseKun | HITOMAWARI | 
| kJapaneseOn | SAI SUI | 
| kKorean | SWI SWU | 
| kMandarin | zuì | 
| kXHC1983 | 1548.050:zuì |