十六進制

十六進制者，基數自十六也，實屬$2^4$進制，故常用於信息技術。是進制常以A至F代十至十五，亦可記曰$0,1,2,3,4,5,6,7,8,9,0^{*},1^{*},2^{*},3^{*},4^{*},5^{*}$

分數

縮圖|乘法表之於十六進制

n	${\frac{1}{n}}_{(16)}$	$\frac{1}{n}$
1	1	1
2	0.8	0.5
3	$0.\dot{5}$	$0.\dot{3}$
4	0.4	0.25
5	$0.\dot{3}$	0.2
6	$0.2\dot{0^{*}}$	$0.1\dot{6}$
7	$0.\dot{2}4\dot{9}$	$0.\dot{1}4285\dot{7}$
8	0.2	0.125
9	$0.\dot{1}{2}^{*}\dot{7}$	$0.\dot{1}$
10	$0.1\dot{9}$	0.1
11	$0.\dot{1}745\dot{3^{*}}$	$0.\dot{0}\dot{9}$
12	$0.1\dot{5}$	$0.08\dot{3}$
13	$0.\dot{1}3\dot{1^{*}}$	$0.\dot{0}7692\dot{3}$
14	$0.1\dot{2}4\dot{9}$	$0.0\dot{7}1428\dot{5}$
15	$0.\dot{1}$	$0.0\dot{6}$
16	0.1	0.0625
17	$0.\dot{0}\dot{5^{*}}$	$0.\dot{0}58823529411764\dot{7}$