0xE51

0xE51 is a hexadecimal literal, where the prefix 0x indicates that the following digits are in base 16. The digits E, 5, and 1 form a three-digit hex number. In decimal, 0xE51 equals 3665; in binary, it is 1110 0101 0001.

In programming, 0xE51 can be used as a numeric constant in languages such as JavaScript, Solidity, or Python. It may appear in assignments, bitwise operations, or as part of demonstrations of hex arithmetic. For example, assigning var x = 0xE51 yields the integer 3665 in most environments.

As a color code, a three-digit hex value can be interpreted in different ways depending on the system. If expanded to a six-digit form, 0xE51 could correspond to 0x000E51, i.e., the color hex #000E51, which is a dark blue shade. Standard HTML/CSS color notation typically uses six-digit hex values prefixed by #, such as #000E51.

In the context of blockchain and cryptocurrencies, Ethereum addresses are 20 bytes long and represented by 40 hexadecimal characters after the 0x prefix. Therefore, 0xE51 by itself is not a valid Ethereum address; it could be part of a longer address, an example value, or a smaller component in documentation or code examples.

Overall, 0xE51 serves as a compact example of a hex literal, illustrating how a short hex sequence maps to decimal and binary representations and how such notations are used across computing domains.

See also: hexadecimal, 0x prefix, decimal, binary, color codes, Ethereum address length.