0x2A3

0x2A3 is a hexadecimal literal commonly used in computing to denote the numeric value 0x2A3. The 0x prefix signals base-16 notation in many programming languages, and the digits 2, A, and 3 together represent the value. In decimal, 0x2A3 equals 675. In binary, it is 0010 1010 0011, a 12-bit representation.

This form of notation appears in languages such as C, C++, Java, C#, JavaScript, and Python. Hex literals are often used to specify constants, memory addresses, or bitmasks, and they can participate in arithmetic and bitwise operations just like other integer literals. The interpretation of 0x2A3 as unsigned or signed depends on the surrounding type in the language, but the underlying value remains 675.

Understanding hex literals benefits from recognizing the digit set and grouping: each hex digit represents four bits, so three hex digits encode 12 bits for 0x2A3. When converting, multiply and sum the place values: 2×256 + 10×16 + 3 = 675. Hex notation is particularly convenient for representing binary data, memory addresses, and register values, since each hex digit maps directly to a nibble (four bits).

See also: hexadecimal notation, 2A3 in decimal (675), 0x prefix, hex literals in programming languages, binary representation.