Character U+221E
Char U+221E
Char
∞
Unicode
U+221E
Conversion Results
dec: 8734
hex: 0x221E
oct: 21036
bin: 10001000011110
Appears in charsets
Canonical
/char/u221eUnicode & UTF
Unicode 映射与其在常见编码（UTF‑8/16/32）中的表示，便于复制粘贴与调试。
| Unicode | U+221E | |
| Unicode dec | 8734 | |
| UTF-8 (hex) | E2 88 9E | |
| UTF-8 (bin) | 11100010 10001000 10011110 | |
| UTF-16 | 221E | |
| UTF-32 | 0000221E |
HTML & URL
Web 场景常用的 HTML 实体、URL 转义与 QP 编码，方便在页面/邮件/日志中使用。
| HTML Number | ∞ | |
| HTML Hex | ∞ | |
| URL Escape | %E2%88%9E | |
| Quoted-printable | =E2=88=9E |
Source Code Escapes
C, C++, and Java
"\u221E"
CSS Code
\221E
JavaScript
"\u221E"
Perl
\x{221E}
Python 2
u"\u221E"
Python 3
"\u221E"
Ruby
\u{221E}