0x21BB

0x21BB is a hexadecimal numeral that can serve as an identifier, constant, or code point in various computing contexts. As a hex value, it is equal to 8635 in decimal.

In Unicode terms, the hexadecimal value 21BB corresponds to the code point U+21BB. This code point lies within the Arrows block of the Unicode standard, and the exact glyph rendered for U+21BB depends on the font and rendering system. In plain text environments it may appear as a symbol resembling an arrow, but the visual representation varies with font support.

Common uses of 0x21BB in computing include representing a numeric constant in source code, acting as a bitmask, or serving as a small identifier within binary data, protocols, or file formats. The 0x prefix denotes hexadecimal notation in most programming languages, and the value may be interpreted in different ways depending on the context, such as unsigned integer, address offset, or opcode in a given architecture.

When stored or transmitted, the value 0x21BB has specific byte-order representations. In big-endian order, it is stored as 21 BB; in little-endian order, it is stored as BB 21. Understanding endianness is important when interpreting or constructing binary data that includes this value.

See also: hexadecimal numbers, Unicode code points, Arrows block, endianness, binary data representation.