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Quaternary (base 4) to Base 18

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Quaternary is the base-4 numeral system. It uses the digits 0, 1, 2 and 3 to represent any real number.

conversion table

quaternary (base 4)base 18quaternary (base 4)base 18
1= 123= b
2= 230= c
3= 331= d
10= 432= e
11= 533= f
12= 6100= g
13= 7101= h
20= 8102= 10
21= 9103= 11
22= a110= 12
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 18quaternary (base 4)base 18quaternary (base 4)
1≈ 1b≈ 23
2≈ 2c≈ 30
3≈ 3d≈ 31
4≈ 10e≈ 32
5≈ 11f≈ 33
6≈ 12g≈ 100
7≈ 13h≈ 101
8≈ 2010≈ 102
9≈ 2111≈ 103
a≈ 2212≈ 110