0x5821

0x5821 is a hexadecimal numeric literal used in computing to denote the integer value 22561 in decimal. The 0x prefix is a conventional indicator of hexadecimal notation in many programming languages, including C, C++, Java, JavaScript, and Python.

In software and hardware contexts, 0x5821 can serve multiple purposes depending on the surrounding architecture and application. It may represent a constant used in calculations, a memory or I/O address, a bit mask for enabling or testing specific bits, or an encoded field value in a protocol or data structure. Its meaning is not intrinsic to the number itself but is defined by how and where the value is applied.

As a potential Unicode interpretation, 0x5821 can be read as the code point U+5821. This range corresponds to a CJK Unified Ideograph in the Unicode standard; the actual displayed glyph depends on the font and rendering system, and the specific character is not determined solely by the hexadecimal value without the corresponding font mapping.

In practice, 0x5821 serves as a representative example of how hexadecimal literals function across computing domains: as compact, base-16 representations that are interpreted within a particular context to yield a specific meaning or action. The precise usage of 0x5821 is thus context-dependent, varying by language, architecture, and data format.

See also: hexadecimal notation, memory address, bit mask, Unicode code point.