U+2217 "∗" Asterisk Operator Unicode Character
Unicode Version 17.0
∗
U+2217 "∗" Asterisk Operator is a typographical symbol distinct from the common keyboard asterisk and is specifically encoded for use as a mathematical operator, often employed to denote multiplication, convolution, or the Kleene star in formal language theory. It is designed to appear centered vertically relative to the x-height of surrounding text, unlike the frequently superscripted footnote asterisk. This character belongs to the Mathematical Operators block and is intended for professional typesetting in mathematical and scientific documents, ensuring clear semantic distinction from other asterisk-like symbols used for different purposes.
General Properties
| Code Point | U+2217 |
| Version Added | 1.1 |
| Name | Asterisk Operator |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ∗ |
| HTML Hex Encoding | ∗ |
| UTF-8 Encoding | 0xE2 0x88 0x97 |
| UTF-16 Encoding | 0x2217 |
| UTF-32 Encoding | 0x00002217 |
| C/C++/Java Escape | \u2217 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |