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Senary (base 6) to Base 18

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The senary numeral system (also known as base-6 or heximal) has six as its base. It has been adopted independently by a small number of cultures. Like decimal, it is a semiprime, though being the product of the only two consecutive numbers that are both prime (2 and 3) it has a high degree of mathematical properties for its size. As six is a superior highly composite number, many of the arguments made in favor of the duodecimal system also apply to this base-6.

conversion table

senary (base 6)base 18senary (base 6)base 18
1= 115= b
2= 220= c
3= 321= d
4= 422= e
5= 523= f
10= 624= g
11= 725= h
12= 830= 10
13= 931= 11
14= a32= 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 18senary (base 6)base 18senary (base 6)
1≈ 1b≈ 15
2≈ 2c≈ 20
3≈ 3d≈ 21
4≈ 4e≈ 22
5≈ 5f≈ 23
6≈ 10g≈ 24
7≈ 11h≈ 25
8≈ 1210≈ 30
9≈ 1311≈ 31
a≈ 1412≈ 32