0x1A57

0x1A57 is a hexadecimal literal used in computing and programming. The prefix 0x indicates that the digits following it are in base-16. The digits 1, A, 5, and 7 together represent the decimal value 6743 when interpreted as an unsigned hexadecimal number.

In source code, 0x1A57 may be used as an integer constant in a variety of contexts, such as bitwise operations, flags, identifiers, memory offsets, or test vectors. Its meaning is determined entirely by the surrounding program or specification in which it appears.

Memory representation can vary by endianness. In a 16-bit quantity, 0x1A57 stored in a little-endian system would appear as the bytes 0x57 followed by 0x1A, while in big-endian systems it would appear as 0x1A followed by 0x57. This illustrates how a single hex constant can have different byte-level representations depending on architecture.

0x1A57 does not correspond to a universal standard, code point, or widely recognized identifier by itself. Like other hex literals, its significance is context-dependent and is defined by the software, data format, or specification that employs it.

Related topics include hexadecimal notation, base conversion, and data representation in computer systems.