GCSE/A Level Computing Hexadecimal Numbers

B

Decimal 11 is equivalent to hexadecimal... 0123456789AB

C

Decimal 12 is equivalent to hexadecimal... 0123456789ABC

20(16)

Decimal 32 is equivalent to hexadecimal... 2 x 16s = 32 0 x units (0-F) = 0 32 + 0 = 32

A

Decimal 10 is equivalent to hexadecimal... 0123456789A

D

Decimal 13 is equivalent to hexadecimal... 0123456789ABCD

E

Decimal 14 is equivalent to hexadecimal... 0123456789ABCDE

F

Decimal 15 is equivalent to hexadecimal... 0123456789ABCDEF

10(16)

Decimal 16 is equivalent to hexadecimal... 1 x 16s = 16 0 x units (0-F) = 0 16 + 0 = 16

FF

Decimal 255 is equivalent to hexadecimal... 15 x 16s = 240 F x units (0-F) = 15 240 + 15 = 255

1A

Decimal 26 is equivalent to hexadecimal... 1 x 16s = 16 A x units (0-F) = 10 16 + 10 = 26

1B

Decimal 27 is equivalent to hexadecimal... 1 x 16s = 16 B x units (0-F) = 11 16 + 11 = 27

hexadecimal

The name of the counting system based on 16. So while decimal numbers go up after 9, hexadecimal numbers go up after 15 (F)