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Base 13 to Duodecimal (base 12)

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base 13 is a positional numeral system with thirteen as its base. It uses 13 different digits for representing numbers. The digits for base 13 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, and c.

conversion table

base 13duodecimal (base 12)base 13duodecimal (base 12)
1= 1b= b
2= 2c= 10
3= 310= 11
4= 411= 12
5= 512= 13
6= 613= 14
7= 714= 15
8= 815= 16
9= 916= 17
a= a17= 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 13duodecimal (base 12)base 13
1≈ 1b≈ b
2≈ 210≈ c
3≈ 311≈ 10
4≈ 412≈ 11
5≈ 513≈ 12
6≈ 614≈ 13
7≈ 715≈ 14
8≈ 816≈ 15
9≈ 917≈ 16
a≈ a18≈ 17