U+221A √

SQUARE ROOT

Sm — Math Symbol
Common
Basic Multilingual Plane (BMP)
8730

Encoding Table

This table shows the exact bytes used to represent SQUARE ROOT 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 E2 88 9A 226 136 154 3
UTF-16 LE 1A 22 26 34 2
UTF-16 BE 22 1A 34 26 2
UTF-32 LE 1A 22 00 00 26 34 0 0 4
UTF-32 BE 00 00 22 1A 0 0 34 26 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 96 150 1
Shift-JIS 81 E3 129 227 2
EUC-JP A2 E5 162 229 2
GBK A1 CC 161 204 2
Big5 A1 D4 161 212 2

Escape Sequences

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

√
√
√
\221A
\u221A
%E2%88%9A
\u221a
8730

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

View U+221A on CharLookup.com ↗

UTF-8 Binary Breakdown

UTF-8 encodes this character as 3 bytes. The leading 1110 prefix on byte 1 signals a 3-byte sequence. Bytes 2 and 3 begin with 10 to mark them as continuation bytes.

Byte 1
1 1 1 0 0 0 1 0
E2
·
Byte 2
1 0 0 0 1 0 0 0
88
·
Byte 3
1 0 0 1 1 0 1 0
9A
UTF-8: E2 88 9A · 3 bytes · Codepoint U+221A

Unicode Properties

Introduced in Unicode 1.1
ON — Other Neutral
Yes — has a mirrored counterpart in RTL context

Nearby Characters in Mathematical Operators