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Base 18 to Duodecimal (base 12)

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base 18 is a positional numeral system with eighteen as its base. It uses 18 different digits for representing numbers. The digits for base 18 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f, g, and h.

conversion table

base 18duodecimal (base 12)base 18duodecimal (base 12)
1= 1b= b
2= 2c= 10
3= 3d= 11
4= 4e= 12
5= 5f= 13
6= 6g= 14
7= 7h= 15
8= 810= 16
9= 911= 17
a= a12= 18

The duodecimal system (also known as base 12 or dozenal) is a positional notation numeral system using twelve as its base.

conversion table

duodecimal (base 12)base 18duodecimal (base 12)base 18
1≈ 1b≈ b
2≈ 210≈ c
3≈ 311≈ d
4≈ 412≈ e
5≈ 513≈ f
6≈ 614≈ g
7≈ 715≈ h
8≈ 816≈ 10
9≈ 917≈ 11
a≈ a18≈ 12