Literals that start with 0x
are hexadecimal integers. (base 16)
The number 0x6400
is 25600
.
6 * 16^3 + 4 * 16^2 = 25600
For an example including letters (also used in hexadecimal notation where A = 10, B = 11 … F = 15)
The number 0x6BF0
is 27632
.
6 * 16^3 + 11 * 16^2 + 15 * 16^1 = 27632 24576 + 2816 + 240 = 27632
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