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Base 21 to Base 4 Conversion Table

Converting base 21 to base 4 — every value from 1 to 1000 written out in both bases, side by side. Browse every base and pick another pair from the base conversion hub.

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Base 21 to Base 4 Conversion Table
Base 10 Base 21 Base 4
1 1 1
2 2 2
3 3 3
4 4 10
5 5 11
6 6 12
7 7 13
8 8 20
9 9 21
10 A 22
11 B 23
12 C 30
13 D 31
14 E 32
15 F 33
16 G 100
17 H 101
18 I 102
19 J 103
20 K 110
21 10 111
22 11 112
23 12 113
24 13 120
25 14 121
26 15 122
27 16 123
28 17 130
29 18 131
30 19 132
31 1A 133
32 1B 200
33 1C 201
34 1D 202
35 1E 203
36 1F 210
37 1G 211
38 1H 212
39 1I 213
40 1J 220
41 1K 221
42 20 222
43 21 223
44 22 230
45 23 231
46 24 232
47 25 233
48 26 300
49 27 301
50 28 302
51 29 303
52 2A 310
53 2B 311
54 2C 312
55 2D 313
56 2E 320
57 2F 321
58 2G 322
59 2H 323
60 2I 330
61 2J 331
62 2K 332
63 30 333
64 31 1000
70 37 1012
80 3H 1100
90 46 1122
100 4G 1210
200 9B 3020
300 E6 10230
400 J1 12100
500 12H 13310
600 17C 21120
700 1C7 22330
800 1H2 30200
900 20I 32010
1000 25D 33220

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