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Base 36 to Base 21

Base 36 to Base 21 Converter

Enter a number in base 36 below to convert it to base 21 instantly.

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About These Bases

Base 36

In base 36, each digit position represents a power of 36: the rightmost digit counts individual ones, the next counts groups of 36, the next counts groups of 36×36, and so on — the same place-value idea as base 10, just with 36 distinct digits instead of ten.

Base 21

Base 21 works the same way: the rightmost digit counts ones, the next counts groups of 21, the next counts groups of 21×21, and so on, using 21 distinct digits.

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Quick Reference Table
Base 10 Base 36 Base 21
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 8 8
9 9 9
10 A A
11 B B
12 C C
13 D D
14 E E
15 F F
16 G G
17 H H
18 I I
19 J J
20 K K
21 L 10
22 M 11
23 N 12
24 O 13
25 P 14
26 Q 15
27 R 16
28 S 17
29 T 18
30 U 19
31 V 1A
32 W 1B
33 X 1C
34 Y 1D
35 Z 1E
36 10 1F
37 11 1G
38 12 1H
39 13 1I
40 14 1J
41 15 1K
42 16 20
43 17 21
44 18 22
45 19 23
46 1A 24
47 1B 25
48 1C 26
49 1D 27
50 1E 28
51 1F 29
52 1G 2A
53 1H 2B
54 1I 2C
55 1J 2D
56 1K 2E
57 1L 2F
58 1M 2G
59 1N 2H
60 1O 2I
61 1P 2J
62 1Q 2K
63 1R 30
64 1S 31
70 1Y 37
80 28 3H
90 2I 46
100 2S 4G
200 5K 9B
300 8C E6
400 B4 J1
500 DW 12H
600 GO 17C
700 JG 1C7
800 M8 1H2
900 P0 20I
1000 RS 25D

View this as a standalone, printable table

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