0x000003D9

0x000003D9 is a hexadecimal numeral commonly used in computing. The prefix 0x indicates hexadecimal notation, and the digits represent the value in base 16. When interpreted as a 32-bit unsigned integer, 0x000003D9 equals decimal 985. The leading zeros reflect fixed-width representation, which is common in aligned data fields, memory dumps, or formatted output.

In binary, 0x000003D9 is 00000000 00000000 00000011 11011001. In little-endian memory layout, the 32-bit value would be stored as the byte sequence D9 03 00 00; in big-endian, 00 00 03 D9.

In software development, such a value can appear as a constant, an offset, or an identifier in source code, as well as in debugging outputs and memory dumps. Its meaning is not inherent to the number itself but is defined by the surrounding context, such as a protocol field, a memory address, or an index within a data structure.

0x000003D9 is numerically equivalent to 0x3D9; the additional leading zeros are primarily for formatting and alignment in fixed-width data representations, rather than altering the value. It serves as a representative example of how hex literals encode small integers efficiently in various computing scenarios.

See also: hexadecimal notation, decimal notation, binary notation, endianness, memory address representation.