Base 10 to Base 21 converter

Base 10 to Base 21 Converter

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Base 10 and Base 21

Base 10

In base 10, each digit in a number represents the number of copies of that power of 10. That is, the first digit tells you how many ones you have; the second tells you how many 10s you have; the third tells you how many 10x10 you have; the fourth tells you how many 10x10x10 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 10 to Base 21 Conversion Table

Base 10	Base 21
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	A
11	B
12	C
13	D
14	E
15	F
16	G
17	H
18	I
19	J
20	K
21	10
22	11
23	12
24	13
25	14
26	15
27	16
28	17
29	18
30	19
31	1A
32	1B
33	1C
34	1D
35	1E
36	1F
37	1G
38	1H
39	1I
40	1J
41	1K
42	20
43	21
44	22
45	23
46	24
47	25
48	26
49	27
50	28
51	29
52	2A
53	2B
54	2C
55	2D
56	2E
57	2F
58	2G
59	2H
60	2I
61	2J
62	2K
63	30
64	31

Base 21 to Base 10 Conversion Table

Base 21	Base 10
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
A	10
B	11
C	12
D	13
E	14
F	15
G	16
H	17
I	18
J	19
K	20
10	21
11	22
12	23
13	24
14	25
15	26
16	27
17	28
18	29
19	30
1A	31
1B	32
1C	33
1D	34
1E	35
1F	36
1G	37
1H	38
1I	39
1J	40
1K	41
20	42
21	43
22	44
23	45
24	46
25	47
26	48
27	49
28	50
29	51
2A	52
2B	53
2C	54
2D	55
2E	56
2F	57
2G	58
2H	59
2I	60
2J	61
2K	62
30	63
31	64

Base 10 to Base 21 Converter