Cube Root ∛

U+221B
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Symbol Meaning

Cube Root. Mathematical Operators.

The symbol “Cube Root” is included in the “Operators” subblock of the “Mathematical Operators” block and was approved as part of Unicode version 1.1 in 1993.

Unicode Name Cube Root
Unicode Number
HTML Code
CSS Code
Plane 0: Basic Multilingual Plane
Unicode Block Mathematical Operators
Unicode Subblock Operators
Unicode Version 1.1 (1993)
Type of paired mirror bracket (bidi) None
Composition Exclusion No
Case change 221B
Simple case change 221B
Math +
Grapheme_Base +
scripts Common
Pattern_Syntax +
Encoding hex dec (bytes) dec binary
UTF-8 E2 88 9B 226 136 155 14846107 11100010 10001000 10011011
UTF-16BE 22 1B 34 27 8731 00100010 00011011
UTF-16LE 1B 22 27 34 6946 00011011 00100010
UTF-32BE 00 00 22 1B 0 0 34 27 8731 00000000 00000000 00100010 00011011
UTF-32LE 1B 22 00 00 27 34 0 0 455213056 00011011 00100010 00000000 00000000

Related Characters

Cube Root is part of collections:

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