The glyph is not a composition. Its East Asian Width is narrow. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+0051 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with 17 other glyphs.
The Wikipedia has the following information about this codepoint:
Q, or q, is the seventeenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is pronounced , most commonly spelled cue, but also kew, kue, and que.
Representations
System
Representation (click value to copy)
Nº
81
UTF-8
51
UTF-16
00 51
UTF-32
00 00 00 51
URL-Quoted
%51
HTML hex reference
Q
Encoding: ASCII (hex bytes)
51
Encoding: BIG5 (hex bytes)
51
Encoding: BIG5HKSCS (hex bytes)
51
Encoding: CP037 (hex bytes)
D8
Encoding: CP273 (hex bytes)
D8
Encoding: CP424 (hex bytes)
D8
Encoding: CP437 (hex bytes)
51
Encoding: CP500 (hex bytes)
D8
Encoding: CP720 (hex bytes)
51
Encoding: CP737 (hex bytes)
51
Encoding: CP775 (hex bytes)
51
Encoding: CP850 (hex bytes)
51
Encoding: CP852 (hex bytes)
51
Encoding: CP855 (hex bytes)
51
Encoding: CP856 (hex bytes)
51
Encoding: CP857 (hex bytes)
51
Encoding: CP858 (hex bytes)
51
Encoding: CP860 (hex bytes)
51
Encoding: CP861 (hex bytes)
51
Encoding: CP862 (hex bytes)
51
Encoding: CP863 (hex bytes)
51
Encoding: CP864 (hex bytes)
51
Encoding: CP865 (hex bytes)
51
Encoding: CP866 (hex bytes)
51
Encoding: CP869 (hex bytes)
51
Encoding: CP874 (hex bytes)
51
Encoding: CP875 (hex bytes)
D8
Encoding: CP932 (hex bytes)
51
Encoding: CP949 (hex bytes)
51
Encoding: CP950 (hex bytes)
51
Encoding: CP1006 (hex bytes)
51
Encoding: CP1026 (hex bytes)
D8
Encoding: CP1125 (hex bytes)
51
Encoding: CP1140 (hex bytes)
D8
Encoding: CP1250 (hex bytes)
51
Encoding: CP1251 (hex bytes)
51
Encoding: CP1252 (hex bytes)
51
Encoding: CP1253 (hex bytes)
51
Encoding: CP1254 (hex bytes)
51
Encoding: CP1255 (hex bytes)
51
Encoding: CP1256 (hex bytes)
51
Encoding: CP1257 (hex bytes)
51
Encoding: CP1258 (hex bytes)
51
Encoding: EUC_JP (hex bytes)
51
Encoding: EUC_JIS_2004 (hex bytes)
51
Encoding: EUC_JISX0213 (hex bytes)
51
Encoding: EUC_KR (hex bytes)
51
Encoding: GB2312 (hex bytes)
51
Encoding: GBK (hex bytes)
51
Encoding: GB18030 (hex bytes)
51
Encoding: HZ (hex bytes)
51
Encoding: ISO2022_JP (hex bytes)
51
Encoding: ISO2022_JP_1 (hex bytes)
51
Encoding: ISO2022_JP_2 (hex bytes)
51
Encoding: ISO2022_JP_2004 (hex bytes)
51
Encoding: ISO2022_JP_3 (hex bytes)
51
Encoding: ISO2022_JP_EXT (hex bytes)
51
Encoding: ISO2022_KR (hex bytes)
51
Encoding: LATIN_1 (hex bytes)
51
Encoding: ISO8859_2 (hex bytes)
51
Encoding: ISO8859_3 (hex bytes)
51
Encoding: ISO8859_4 (hex bytes)
51
Encoding: ISO8859_5 (hex bytes)
51
Encoding: ISO8859_6 (hex bytes)
51
Encoding: ISO8859_7 (hex bytes)
51
Encoding: ISO8859_8 (hex bytes)
51
Encoding: ISO8859_9 (hex bytes)
51
Encoding: ISO8859_10 (hex bytes)
51
Encoding: ISO8859_11 (hex bytes)
51
Encoding: ISO8859_13 (hex bytes)
51
Encoding: ISO8859_14 (hex bytes)
51
Encoding: ISO8859_15 (hex bytes)
51
Encoding: ISO8859_16 (hex bytes)
51
Encoding: JOHAB (hex bytes)
51
Encoding: KOI8_R (hex bytes)
51
Encoding: KOI8_T (hex bytes)
51
Encoding: KOI8_U (hex bytes)
51
Encoding: KZ1048 (hex bytes)
51
Encoding: MAC_CYRILLIC (hex bytes)
51
Encoding: MAC_GREEK (hex bytes)
51
Encoding: MAC_ICELAND (hex bytes)
51
Encoding: MAC_LATIN2 (hex bytes)
51
Encoding: MAC_ROMAN (hex bytes)
51
Encoding: MAC_TURKISH (hex bytes)
51
Encoding: PTCP154 (hex bytes)
51
Encoding: SHIFT_JIS (hex bytes)
51
Encoding: SHIFT_JIS_2004 (hex bytes)
51
Encoding: SHIFT_JISX0213 (hex bytes)
51
Encoding: CP037 (hex bytes)
D8
Encoding: CP1025 (hex bytes)
D8
Encoding: CP1047 (hex bytes)
D8
Encoding: CP1097 (hex bytes)
D8
Encoding: CP1112 (hex bytes)
D8
Encoding: CP1122 (hex bytes)
D8
Encoding: CP1123 (hex bytes)
D8
Encoding: CP1140 (hex bytes)
D8
Encoding: CP1141 (hex bytes)
D8
Encoding: CP1142 (hex bytes)
D8
Encoding: CP1143 (hex bytes)
D8
Encoding: CP1144 (hex bytes)
D8
Encoding: CP1145 (hex bytes)
D8
Encoding: CP1146 (hex bytes)
D8
Encoding: CP1147 (hex bytes)
D8
Encoding: CP1148 (hex bytes)
D8
Encoding: CP1148MS (hex bytes)
D8
Encoding: CP1149 (hex bytes)
D8
Encoding: CP273 (hex bytes)
D8
Encoding: CP277 (hex bytes)
D8
Encoding: CP278 (hex bytes)
D8
Encoding: CP280 (hex bytes)
D8
Encoding: CP284 (hex bytes)
D8
Encoding: CP285 (hex bytes)
D8
Encoding: CP290 (hex bytes)
D8
Encoding: CP297 (hex bytes)
D8
Encoding: CP420 (hex bytes)
D8
Encoding: CP424 (hex bytes)
D8
Encoding: CP500 (hex bytes)
D8
Encoding: CP500MS (hex bytes)
D8
Encoding: CP833 (hex bytes)
D8
Encoding: CP838 (hex bytes)
D8
Encoding: CP870 (hex bytes)
D8
Encoding: CP871 (hex bytes)
D8
Encoding: CP875 (hex bytes)
D8
AGL: Latin-1
Q
AGL: Latin-2
Q
AGL: Latin-3
Q
AGL: Latin-4
Q
AGL: Latin-5
Q
Adobe Glyph List
Q
digraph
Q
RFC 5137
\u'0051'
Bash and Zsh inside echo -e
\u0051
C and C++
\u0051
C#
\u0051
CSS
\000051
Excel
=UNICHAR(81)
Go
\u0051
JavaScript
\u0051
Modern JavaScript since ES6
\u{51}
JSON
\u0051
Java
\u0051
Lua
\u{51}
Matlab
char(81)
Perl
"\x{51}"
PHP
\u{51}
PostgreSQL
U&'\0051'
PowerShell
`u{51}
Python
\u0051
Ruby
\u{51}
Rust
\u{51}
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