U+2229 Intersection
U+2229 was added in Unicode version 1.1 in 1993. It belongs to the block Mathematical Operators in the Basic Multilingual Plane.
This character is a Math Symbol and is commonly used, that is, in no specific script. The character is also known as cap and hat.
The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. If its East Asian Width is “narrow”, U+2229 forms a word with similar characters, which prevents a line break inside it. Otherwise it allows line breaks around it, except in some numeric contexts. The glyph can be confused with one other glyph.
The CLDR project calls this character “intersection” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: set.
The Wikipedia has the following information about this codepoint:
In set theory, the intersection of two sets and denoted by is the set containing all elements of that also belong to or equivalently, all elements of that also belong to
Representations
| System | Representation |
|---|---|
| Nº | 8745 |
| UTF-8 | E2 88 A9 |
| UTF-16 | 22 29 |
| UTF-32 | 00 00 22 29 |
| URL-Quoted | %E2%88%A9 |
| HTML hex reference | ∩ |
| Wrong windows-1252 Mojibake | ∩ |
| HTML named entity | ∩ |
| alias | cap |
| alias | hat |
| Encoding: BIG5 (hex bytes) | A1 E4 |
| Encoding: BIG5HKSCS (hex bytes) | A1 E4 |
| Encoding: CP437 (hex bytes) | EF |
| Encoding: CP860 (hex bytes) | EF |
| Encoding: CP861 (hex bytes) | EF |
| Encoding: CP862 (hex bytes) | EF |
| Encoding: CP863 (hex bytes) | EF |
| Encoding: CP865 (hex bytes) | EF |
| Encoding: CP932 (hex bytes) | 81 BF |
| Encoding: CP949 (hex bytes) | A1 FB |
| Encoding: CP950 (hex bytes) | A1 E4 |
| Encoding: EUC_JP (hex bytes) | A2 C1 |
| Encoding: EUC_JIS_2004 (hex bytes) | A2 C1 |
| Encoding: EUC_JISX0213 (hex bytes) | A2 C1 |
| Encoding: EUC_KR (hex bytes) | A1 FB |
| Encoding: GB2312 (hex bytes) | A1 C9 |
| Encoding: GBK (hex bytes) | A1 C9 |
| Encoding: GB18030 (hex bytes) | A1 C9 |
| Encoding: HZ (hex bytes) | 7E 7B 21 49 7E 7D |
| Encoding: ISO2022_JP (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_JP_1 (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_JP_2 (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_JP_2004 (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_JP_3 (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_JP_EXT (hex bytes) | 1B 24 42 22 41 1B 28 42 |
| Encoding: ISO2022_KR (hex bytes) | 1B 24 29 43 0E 21 7B 0F |
| Encoding: JOHAB (hex bytes) | D9 9D |
| Encoding: SHIFT_JIS (hex bytes) | 81 BF |
| Encoding: SHIFT_JIS_2004 (hex bytes) | 81 BF |
| Encoding: SHIFT_JISX0213 (hex bytes) | 81 BF |
| LATEX | \cap |
| AGL: Latin-5 | intersection |
| Adobe Glyph List | intersection |
| digraph | (U |
Related Characters
Confusables
Elsewhere
Complete Record
| Property | Value |
|---|---|
| 1.1 (1993) | |
| INTERSECTION | |
| — | |
| Mathematical Operators | |
| Math Symbol | |
| Common | |
| Other Neutral | |
| Not Reordered | |
| none | |
| Intersection | |
| ✘ | |
| Intersection | |
| Intersection | |
| ✘ | |
| Intersection | |
| Intersection | |
| Intersection | |
| Intersection | |
| Intersection | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Intersection | |
| Any | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| 0 | |
| 0 | |
| 0 | |
| ✘ | |
| None | |
| — | |
| NA | |
| Other | |
| — | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| Yes | |
| Yes | |
| Intersection | |
| Yes | |
| Intersection | |
| Yes | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Intersection | |
| None | |
| ambiguous | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Non Joining | |
| Ambiguous (Alphabetic or Ideographic) | |
| none | |
| not a number | |
| Intersection | |
| R |