0x000000021F

0x000000021F is a hexadecimal literal commonly used in computing to represent the decimal value 543. The leading zeros indicate a fixed-width formatting often seen in code or data displays, where numbers are padded to a uniform width for alignment or readability.

In programming languages that support C-style hex literals, such as C, C++, Java, and JavaScript, the prefix 0x denotes a hexadecimal value. The value 0x000000021F equals 543 in decimal, and the leading zeros do not change the numeric value. Such literals may appear in source code as constants, as well as in data dumps or debugging output.

Typical uses for a value like 0x000000021F include representing a small integer constant, an offset within a binary file or memory layout, or an identifier within a resource table. The interpretation of the value is context-dependent: it may function as an index, a tag, or a memory address in a given system, particularly when used in fixed-width representations or when aligned with 32- or 64-bit address spaces.

When used as an address, its significance depends on the architecture, process space, and the specific software that maps or references it. In some contexts, it may be treated as a relative offset rather than an absolute address. Regardless of usage, the underlying value remains the same, with the surrounding context determining its role.

See also: Hexadecimal notation, Hex literals, Memory addressing, Binary file formats.