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Base 21 to Base 2

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base 21 is a positional numeral system with twenty-one as its base. It uses 21 different digits for representing numbers. The digits for base 21 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f, g, h, i, j, and k.

conversion table

base 21base 2base 21base 2
1= 1b= 1011
2= 10c= 1100
3= 11d= 1101
4= 100e= 1110
5= 101f= 1111
6= 110g= 10000
7= 111h= 10001
8= 1000i= 10010
9= 1001j= 10011
a= 1010k= 10100
base 2 is a positional numeral system with two as its base. It uses 2 different digits for representing numbers. The digits for base 2 could be 0, and 1.

conversion table

base 2base 21base 2base 21
1≈ 11011≈ b
10≈ 21100≈ c
11≈ 31101≈ d
100≈ 41110≈ e
101≈ 51111≈ f
110≈ 610000≈ g
111≈ 710001≈ h
1000≈ 810010≈ i
1001≈ 910011≈ j
1010≈ a10100≈ k