0x1FB9

0x1FB9 is a hexadecimal integer literal commonly used in computing to denote the decimal value 8121. The 0x prefix is a conventional indicator of hexadecimal notation in many programming languages, including C, C++, Java, JavaScript, and Python. In hex, the digits are 1, F, B, and 9, and the value fits within 16 bits.

In practical terms, 0x1FB9 may appear in source code as a numeric literal, an offset in memory addressing, a bitmask, or an identifier, depending on the surrounding context and the data type in use. For example, it can be stored in an unsigned 16-bit variable or used in bitwise operations to manipulate specific bits. Like other hex literals, its use is largely determined by the programming language and the problem domain.

Unicode interpretation is another possible context. If the value is interpreted as a Unicode code point, the corresponding code point would be U+01FB9, which lies in the Greek Extended block (U+01F00–U+01FFF). The exact character rendered depends on font support and rendering software; Unicode code points in this range often represent letters, diacritics, or combining marks used in polytonic Greek and related scripts.

History and usage notes: the 0x prefix for hex literals has roots in early programming languages and remains widespread as a clear, human-readable way to express binary-aligned values. Hex notation is favored in low-level computing for clarity in bitwise operations, memory offsets, and compact numeric representation.

See also: hex notation, Unicode code points, 0x prefix, 16-bit integers.