Q: What is 821 in other base number systems?

 A:

Base Representation Base Count
2 (Binary) 11001101012 10
3 (Ternary) 10101023 7
4 (Quaternary) 303114 5
5 (Quinary) 112415 5
6 (Senary) 34456 4
7 (Septenary) 22527 4
8 (Octal) 14658 4
9 (Nonary) 11129 4
10 (Decimal) 82110 3
11 (Undecimal) 68711 3
12 (Duodecimal) 58512 3
13 (Tridecimal) 4B213 3
14 (Tetradecimal) 42914 3
15 (Pentadecimal) 39B15 3
16 (Hexadecimal) 33516 3
17 2E517 3
18 (Octodecimal) 29B18 3
19 25419 3
20 (Vigesimal) 21120 3
21 1I221 3
22 1F722 3
23 1CG23 3
24 (Tetravigesimal) 1A524 3
25 (Pentavigesimal) 17L25 3
26 (Hexavigesimal) 15F26 3
27 (Septemvigesimal) 13B27 3
28 (Octovigesimal) 11928 3
29 S929 2
30 (Trigesimal) RB30 2
31 QF31 2
32 (Duotrigesimal) PL32 2
33 OT33 2
34 O534 2
35 NG35 2
36 (Hexatrigesimal) MT36 2
64 (Tetrasexagesimal)ODIx4


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