𝑑
U+1D451

MATHEMATICAL ITALIC SMALL D

Ll β€” Lowercase Letter
Common
Supplementary Multilingual Plane (SMP)
119889

Encoding Table

This table shows the exact bytes used to represent MATHEMATICAL ITALIC SMALL D in each encoding. Unicode encodings (UTF-8, UTF-16, UTF-32) support every character; legacy encodings only cover a limited character set and show "not supported" when a character falls outside their range.

Encoding Bytes (Hex) Bytes (Decimal) Byte count
UTF-8 F0 9D 91 91 240 157 145 145 4
UTF-16 LE 35 D8 51 DC 53 216 81 220 4
UTF-16 BE D8 35 DC 51 216 53 220 81 4
UTF-32 LE 51 D4 01 00 81 212 1 0 4
UTF-32 BE 00 01 D4 51 0 1 212 81 4
ASCII not supported
Latin-1 (ISO-8859-1) not supported
Windows-1252 not supported
ISO-8859-2 (Latin-2) not supported
ISO-8859-5 (Cyrillic) not supported
KOI8-R not supported
Shift-JIS not supported
EUC-JP not supported
GBK not supported
Big5 not supported

Escape Sequences

How to reference this character in source code, markup, and URLs.

none
𝑑
𝑑
\1D451
\uD835\uDC51
%F0%9D%91%91
\U0001D451
119889

View the glyph in different fonts and scripts on our sibling site.

View U+1D451 on CharLookup.com β†—

UTF-8 Binary Breakdown

UTF-8 encodes this character as 4 bytes. The leading 11110 prefix on byte 1 signals a 4-byte sequence, used for all supplementary plane characters (codepoints above U+FFFF). Bytes 2–4 begin with 10 to mark them as continuation bytes.

Byte 1
1 1 1 1 0 0 0 0
F0
Β·
Byte 2
1 0 0 1 1 1 0 1
9D
Β·
Byte 3
1 0 0 1 0 0 0 1
91
Β·
Byte 4
1 0 0 1 0 0 0 1
91
UTF-8: F0 9D 91 91 Β· 4 bytes Β· Codepoint U+1D451

Unicode Properties

Introduced in Unicode 3.1
L β€” Left-to-Right

Compatibility decomposition (font) β€” the sequence below represents the same underlying meaning in a simpler form.

Nearby Characters in Mathematical Alphanumeric Symbols