Q: What is 21,121 in other base number systems?

 A:

Base Representation Base Count
2 (Binary) 1010010100000012 15
3 (Ternary) 10012220213 10
4 (Quaternary) 110220014 8
5 (Quinary) 11334415 7
6 (Senary) 2414416 6
7 (Septenary) 1154027 6
8 (Octal) 512018 5
9 (Nonary) 318679 5
10 (Decimal) 2112110 5
11 (Undecimal) 1496111 5
12 (Duodecimal) 1028112 5
13 (Tridecimal) 97C913 4
14 (Tetradecimal) 79A914 4
15 (Pentadecimal) 63D115 4
16 (Hexadecimal) 528116 4
17 451717 4
18 (Octodecimal) 3B3718 4
19 319C19 4
20 (Vigesimal) 2CG120 4
21 25IG21 4
22 1LE122 4
23 1GL723 4
24 (Tetravigesimal) 1CG124 4
25 (Pentavigesimal) 18JL25 4
26 (Hexavigesimal) 156926 4
27 (Septemvigesimal) 11Q727 4
28 (Octovigesimal) QQ928 3
29 P3929 3
30 (Trigesimal) NE130 3
31 LUA31 3
32 (Duotrigesimal) KK132 3
33 JD133 3
34 I9734 3
35 H8G35 3
36 (Hexatrigesimal) GAP36 3
64 (Tetrasexagesimal)MjExMjE=8


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