Base 4 to Base 21 Converter

Base 4 to Base 21 Converter

Enter the value below.

Number in Base 4 to convert Base 21
Converted Base 21 number

Base 4

In base 4, each digit in a number represents the number of copies of that power of 4. That is, the first digit tells you how many ones you have; the second tells you how many 4s you have; the third tells you how many 4x4 you have; the fourth tells you how many 4x4x4 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.

Base 4Base 21
11
22
33
104
115
126
137
208
219
22A
23B
30C
31D
32E
33F
100G
101H
102I
103J
110K
11110
11211
11312
12013
12114
12215
12316
13017
13118
13219
1331A
2001B
2011C
2021D
2031E
2101F
2111G
2121H
2131I
2201J
2211K
22220
22321
23022
23123
23224
23325
30026
30127
30228
30329
3102A
3112B
3122C
3132D
3202E
3212F
3222G
3232H
3302I
3312J
3322K
33330
100031

Base 21Base 4
11
22
33
410
511
612
713
820
921
A22
B23
C30
D31
E32
F33
G100
H101
I102
J103
K110
10111
11112
12113
13120
14121
15122
16123
17130
18131
19132
1A133
1B200
1C201
1D202
1E203
1F210
1G211
1H212
1I213
1J220
1K221
20222
21223
22230
23231
24232
25233
26300
27301
28302
29303
2A310
2B311
2C312
2D313
2E320
2F321
2G322
2H323
2I330
2J331
2K332
30333
311000