0xD54
0xD54 is a hexadecimal numeric literal. The prefix 0x indicates that the following digits are in base-16, with the digits D, 5, and 4 representing the values 13, 5, and 4 respectively. The overall value is 0xD54 = 3412 in decimal, and in binary it is 1101 0101 0100 (12 bits).
In computer programming, 0xD54 is used as an integer literal in languages that support hexadecimal notation,
By itself, 0xD54 does not correspond to a universal standard or entity. In data dumps, source code,
See also: Hexadecimal notation; Numeric literals; Memory addresses.