Character U+0031
Char U+0031
Char
1
Unicode
U+31
Conversion Results
dec: 49
hex: 0x31
oct: 61
bin: 00110001
Appears in charsets
Canonical
/char/u0031Unicode & 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+31 | |
| Unicode dec | 49 | |
| UTF-8 (hex) | 31 | |
| UTF-8 (bin) | 00110001 | |
| UTF-16 | 0031 | |
| UTF-32 | 00000031 |
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 | 1 | |
| HTML Hex | 1 | |
| URL Escape | %31 | |
| Quoted-printable | =31 |
Source Code Escapes
C, C++, and Java
"\u0031"
CSS Code
\0031
JavaScript
"\u0031"
Perl
\x{31}
Python 2
u"\u0031"
Python 3
"\u0031"
Ruby
\u{31}