| Name | SMALL ROMAN NUMERAL ONE |
| Unicode Version | 1.1 |
| Block（ブロック） | Number Forms（数字に準じるもの） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ⅰ ⅰ |
| UTF-8 Encoding | ⅰ e285b0 |
| UTF-16 Encoding | ⅰ 2170 |
| UTF-32 Encoding | ⅰ 00002170 |