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Base 9 to Base 20

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

conversion table

base 9base 20base 9base 20
1= 112= b
2= 213= c
3= 314= d
4= 415= e
5= 516= f
6= 617= g
7= 718= h
8= 820= i
10= 921= j
11= a22= 10
base 20 is a positional numeral system with twenty as its base. It uses 20 different digits for representing numbers. The digits for base 20 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f, g, h, i, and j.

conversion table

base 20base 9base 20base 9
1≈ 1b≈ 12
2≈ 2c≈ 13
3≈ 3d≈ 14
4≈ 4e≈ 15
5≈ 5f≈ 16
6≈ 6g≈ 17
7≈ 7h≈ 18
8≈ 8i≈ 20
9≈ 10j≈ 21
a≈ 1110≈ 22