0x121D

0x121D is a hexadecimal literal used in computer programming. The prefix 0x indicates base-16; the digits 1, 2, 1, and D (which represents 13) compose the value. In decimal, 0x121D equals 4637.

As a 16-bit value, its binary representation is 0001 0010 0001 1101.

In code, 0x121D can serve various roles: a numeric constant, a bitmask, or a memory offset in low-level contexts. It may appear in source code across languages such as C, C++, Java, JavaScript, and Python.

In hardware and embedded systems, 0x121D might denote a hardware register address fragment or a peripheral identifier within a 16-bit address space. In other domains, it may be used as a short identifier or code, such as a product SKU fragment or a configuration key.

Without context, 0x121D has no inherent meaning beyond the number it represents. Its interpretation depends on the surrounding specification, protocol, or software system.