| Name: | Fullwidth Number Sign[1] |
| Unicode Version: | 1.1 (June 1993)[2] |
| Block: | Halfwidth and Fullwidth Forms, U+FF00 - U+FFEF[3] |
| Plane: | Basic Multilingual Plane, U+0000 - U+FFFF[3] |
| Script: | Code for undetermined script (Zyyy) [4] |
| Category: | Other Punctuation (Po) [1] |
| Bidirectional Class: | European Terminator (ET) [1] |
| Combining Class: | Not Reordered (0) [1] |
| Character is Mirrored: | No [1] |
| HTML Entity: |
|
| UTF-8 Encoding: | 0xEF 0xBC 0x83 |
| UTF-16 Encoding: | 0xFF03 |
| UTF-32 Encoding: | 0x0000FF03 |
| Decomposition: | # (U+0023)[1] |