0x2A3F
0x2A3F is a hexadecimal literal used in many programming languages to represent a numerical value. The prefix 0x signals that the digits that follow are in base 16, as opposed to decimal (base 10). This notation is common in languages such as C, C++, Java, JavaScript, and Python.
In decimal terms, 0x2A3F equals 10815. The value is derived from the place values in base 16:
Common uses of a literal like 0x2A3F include representing constants in source code, specifying bit masks, or
In some graphics or embedded systems, a four-digit hex value can appear as a 16-bit color or