Base 18 to Base 21 converter

Base 18 to Base 21 Converter

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Base 18 and Base 21

Base 18

In base 18, each digit in a number represents the number of copies of that power of 18. That is, the first digit tells you how many ones you have; the second tells you how many 18s you have; the third tells you how many 18x18 you have; the fourth tells you how many 18x18x18 you have; and so on.

Base 21

In base 21, each digit in a number represents the number of copies of that power of 21. That is, the first digit tells you how many ones you have; the second tells you how many 21s you have; the third tells you how many 21x21 you have; the fourth tells you how many 21x21x21 you have; and so on.

Conversion Table

Base 18 to Base 21 Conversion Table

Base 18	Base 21
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
A	A
B	B
C	C
D	D
E	E
F	F
G	G
H	H
10	I
11	J
12	K
13	10
14	11
15	12
16	13
17	14
18	15
19	16
1A	17
1B	18
1C	19
1D	1A
1E	1B
1F	1C
1G	1D
1H	1E
20	1F
21	1G
22	1H
23	1I
24	1J
25	1K
26	20
27	21
28	22
29	23
2A	24
2B	25
2C	26
2D	27
2E	28
2F	29
2G	2A
2H	2B
30	2C
31	2D
32	2E
33	2F
34	2G
35	2H
36	2I
37	2J
38	2K
39	30
3A	31

Base 21 to Base 18 Conversion Table

Base 21	Base 18
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
A	A
B	B
C	C
D	D
E	E
F	F
G	G
H	H
I	10
J	11
K	12
10	13
11	14
12	15
13	16
14	17
15	18
16	19
17	1A
18	1B
19	1C
1A	1D
1B	1E
1C	1F
1D	1G
1E	1H
1F	20
1G	21
1H	22
1I	23
1J	24
1K	25
20	26
21	27
22	28
23	29
24	2A
25	2B
26	2C
27	2D
28	2E
29	2F
2A	2G
2B	2H
2C	30
2D	31
2E	32
2F	33
2G	34
2H	35
2I	36
2J	37
2K	38
30	39
31	3A

Base 18 to Base 21 Converter