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Base 21 to Base 10

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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 10base 21base 10
1= 1b= 11
2= 2c= 12
3= 3d= 13
4= 4e= 14
5= 5f= 15
6= 6g= 16
7= 7h= 17
8= 8i= 18
9= 9j= 19
a= 10k= 20
base 10 is a positional numeral system with ten as its base. It uses 10 different digits for representing numbers. The digits for base 10 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

conversion table

base 10base 21base 10base 21
1≈ 111≈ b
2≈ 212≈ c
3≈ 313≈ d
4≈ 414≈ e
5≈ 515≈ f
6≈ 616≈ g
7≈ 717≈ h
8≈ 818≈ i
9≈ 919≈ j
10≈ a20≈ k