D in Decimal
Hexadecimal D equals 13 in decimal.
D in all number bases
Decimal13
Hexadecimal0xD
Binary1101
Octal15
How d converts from hexadecimal to decimal
Multiply each digit by 16 raised to its position (starting at 0 from the right), then add the results:
D× 160 = 13 × 1 = 13
Sum: 13