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Base 17 to Base 9

Base 17 to Base 9 Converter

Enter a number in base 17 below to convert it to base 9 instantly.

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About These Bases

Base 17

In base 17, each digit position represents a power of 17: the rightmost digit counts individual ones, the next counts groups of 17, the next counts groups of 17×17, and so on — the same place-value idea as base 10, just with 17 distinct digits instead of ten.

Base 9

Base 9 works the same way: the rightmost digit counts ones, the next counts groups of 9, the next counts groups of 9×9, and so on, using 9 distinct digits.

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Quick Reference Table
Base 10 Base 17 Base 9
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 10
10 A 11
11 B 12
12 C 13
13 D 14
14 E 15
15 F 16
16 G 17
17 10 18
18 11 20
19 12 21
20 13 22
21 14 23
22 15 24
23 16 25
24 17 26
25 18 27
26 19 28
27 1A 30
28 1B 31
29 1C 32
30 1D 33
31 1E 34
32 1F 35
33 1G 36
34 20 37
35 21 38
36 22 40
37 23 41
38 24 42
39 25 43
40 26 44
41 27 45
42 28 46
43 29 47
44 2A 48
45 2B 50
46 2C 51
47 2D 52
48 2E 53
49 2F 54
50 2G 55
51 30 56
52 31 57
53 32 58
54 33 60
55 34 61
56 35 62
57 36 63
58 37 64
59 38 65
60 39 66
61 3A 67
62 3B 68
63 3C 70
64 3D 71
70 42 77
80 4C 88
90 55 110
100 5F 121
200 BD 242
300 10B 363
400 169 484
500 1C7 615
600 215 736
700 273 857
800 2D1 1078
900 31G 1210
1000 37E 1331

View this as a standalone, printable table

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