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Charinfo — U+1D540 MATHEMATICAL DOUBLE-STRUCK CAPITAL I (𝕀)

Character

Character 𝕀
Code point U+1D540 = 12012810 = 3525008
= 00000000 00000001 11010101 010000002
Character name MATHEMATICAL DOUBLE-STRUCK CAPITAL I
Nearby U+1D5?? / Previous: U+1D53F (ð”ŋ) / Next: U+1D541 (𝕁)

[Notes] [Unicode] [Unihan]

Characters

Length = 1

Character𝕀
Code pointU+1D540
bidi (Unicode::UCD)L
Bidi_Class (DerivedBidiClass.txt)L
Bidi_Class (DerivedBidiClass-5.1.0.txt)L
Age (DerivedAge.txt)3.1
CJK numeral value-

Encodings

Unicode encodings
UTF-8 0xF0 0x9D 0x95 0x80
UTF-16BE 0xD8 0x35 0xDD 0x40
UTF-16LE 0x35 0xD8 0x40 0xDD
UTF-32BE 0x00 0x01 0xD5 0x40
UTF-32LE 0x40 0xD5 0x01 0x00
Web encodings
utf-8 0xF0 0x9D 0x95 0x80
gb18030 0x94 0x33 0xAA 0x32
utf-16be 0xD8 0x35 0xDD 0x40
utf-16le 0x35 0xD8 0x40 0xDD
Not encodable in: ibm866 iso-8859-2 iso-8859-3 iso-8859-4 iso-8859-5 iso-8859-6 iso-8859-7 iso-8859-8 iso-8859-8-i iso-8859-10 iso-8859-13 iso-8859-14 iso-8859-15 iso-8859-16 koi8-r koi8-u macintosh windows-874 windows-1250 windows-1251 windows-1252 windows-1253 windows-1254 windows-1255 windows-1256 windows-1257 windows-1258 x-mac-cyrillic hz-gb-2312 big5 euc-jp iso-2022-jp shift_jis euc-kr replacement x-user-defined

Escapes

Input 𝕀 U+1D540 (𝕀)
Escapes
HTML/XML decimal 𝕀
HTML/XML hexadecimal 𝕀
CSS \01D540
percent-decode de-UTF-8 𝕀 U+00F0 (ð) U+009D () U+0095 (•) U+0080 (€)
en-UTF-8 percent-encode %F0%9D%95%80
de-\u 𝕀 U+1D540 (𝕀)
en-\u \U0001D540
en-\u non-ASCII \U0001D540
de-surrogate 𝕀 U+1D540 (𝕀)
Perl bytes \xF0\x9D\x95\x80
Perl text \x{1D540}

String

Input 𝕀 U+1D540 (𝕀)
Normalization forms
Canonical decomposition 𝕀 U+1D540 (𝕀)
Compatibility decomposition I U+0049 (I)
Canonical composition 𝕀 U+1D540 (𝕀)
NFC (Unicode::Normalize) 𝕀 U+1D540 (𝕀)
NFKC (Unicode::Normalize) I U+0049 (I)
NFD (Unicode::Normalize) 𝕀 U+1D540 (𝕀)
NFKD (Unicode::Normalize) I U+0049 (I)
NFKD (UN) uc (Perl) lc (Perl) NFC (UN) i U+0069 (i)
Stringprep
Nameprep AllowUnassigned (Net::IDN::Nameprep 1.102) i U+0069 (i)
Nameprep (Net::IDN::Nameprep 1.102) i U+0069 (i)
Punycode decoding
de-Punycode (Net::IDN::Punycode 1.102)non-base character in input for decode_punycode
de-Punycode (Net::IDN::Punycode::PP 1.101)invalid digit in input for decode_punycode
de-Punycode (IDNA::Punycode 0.03)invalid punycode input
de-Punycode (Mojo::Util) 𝕀 U+1D540 (𝕀)
de-Punycode (URI::_punycode 1.73)invalid punycode input
de-Punycode (AnyEvent::Util 7.14)punycode_decode: malformed punycode
de-Punycode (URI::UTF8::Punycode 1.05) 𝕀 U+1D540 (𝕀)
Nameprep variant (AnyEvent::Util 7.14) i U+0069 (i)
Nameprep variant for display (AnyEvent::Util 7.14) i U+0069 (i)
ToUnicode variant (AnyEvent::Util 7.14) i U+0069 (i)
Punycode encoding
en-Punycode (Net::IDN::Punycode 1.102) u71h
en-Punycode (Net::IDN::Punycode::PP 1.101) u71h
en-Punycode (IDNA::Punycode 0.03) -u71h
en-Punycode (Mojo::Util) 𝕀
en-Punycode (URI::_punycode 1.73) u71h
en-Punycode (AnyEvent::Util 7.14) u71h
en-Punycode (URI::UTF8::Punycode 1.05) xn--u71h
ToASCII variant (AnyEvent::Util 7.14) i
Cases
ASCII uppercase 𝕀 U+1D540 (𝕀)
ASCII lowercase 𝕀 U+1D540 (𝕀)
Uppercase (Perl uc) 𝕀 U+1D540 (𝕀)
Lowercase (Perl lc) 𝕀 U+1D540 (𝕀)
Uppercase_Mapping(C) 𝕀 U+1D540 (𝕀)
Lowercase_Mapping(C) 𝕀 U+1D540 (𝕀)
Case_Folding(X) 𝕀 U+1D540 (𝕀)
NFKC_Casefold(X) i U+0069 (i)
Compatibility case folding i U+0069 (i)

Fonts

Languages

lang=en𝕀
lang=ja𝕀
lang=zh𝕀
lang=zh-cn𝕀
lang=zh-tw𝕀
lang=zh-hk𝕀
lang=zh-mo𝕀
lang=zh-sg𝕀
lang=zh-hans-cn𝕀
lang=zh-hant-tw𝕀
lang=ko𝕀
lang=vi𝕀

Writing modes

dir=ltr𝕀
dir=rtl𝕀
'writing-mode: vertical-rl'𝕀

CSS fonts

cursive𝕀
fantasy𝕀
monospace𝕀
sans-serif𝕀
serif𝕀
-manakai-default𝕀
-moz-use-system-font𝕀
-apple-system𝕀
-moz-button𝕀
-moz-desktop𝕀
-moz-dialog𝕀
-moz-document𝕀
-moz-field𝕀
-moz-info𝕀
-moz-list𝕀
-moz-pull-down-menu𝕀
-moz-window𝕀
-moz-workspace𝕀
caption𝕀
icon𝕀
menu𝕀
message-box𝕀
small-caption𝕀
status-bar𝕀
system-ui𝕀
font-style: italic𝕀
font-variant: small-caps𝕀
font-weight: 100𝕀
font-weight: 200𝕀
font-weight: 300𝕀
font-weight: 400𝕀
font-weight: 500𝕀
font-weight: 600𝕀
font-weight: 700𝕀
font-weight: 800𝕀
font-weight: 900𝕀

Web fonts

OpenSansEmoji 𝕀
Mona 𝕀
小åĪ 𝕀
Noto Color Emoji 𝕀
Noto Emoji 𝕀

2ch-compatible AA fonts

Note that your system might not have specified fonts.

MS PGothic𝕀
IPAMonaPGothic𝕀
Monapo𝕀
Mona𝕀
Mona (Web font)𝕀
小åĪð•€
小åĪ (Web font)𝕀

Other fonts

Note that your system might not have specified fonts.

Times New Roman𝕀
Arial𝕀
Arial Unicode MS𝕀
Helvetica𝕀
Helvetica Neue𝕀
Verdana𝕀
Lucida Grande𝕀
Courier New𝕀
MS PMincho𝕀
MS PGothic𝕀
Microsoft Yahei𝕀
åūŪč―Ŋ雅éŧ‘𝕀
Meiryo𝕀
Osaka𝕀
Fira Sans𝕀
Droid Sans𝕀
Comic Sans MS𝕀
Hiragino Sans GB𝕀
Hiragino Kaku Gothic ProN𝕀
.SFNSDisplay-Regular𝕀
Segoe UI𝕀
Roboto𝕀
Oxygen𝕀
Ubuntu𝕀
Cantarell𝕀
PingFang SC𝕀
Symbol𝕀
Wingdings𝕀
Wingdings 2𝕀
Wingdings 3𝕀
Webdings𝕀
BlinkMacSystemFont𝕀

Sets

The character belongs to following character sets:

Maps

The character belongs to following character mappings: