Q: What is 221,211,222 in other base number systems?

 A:

Base Representation Base Count
2 (Binary) 11010010111101101010010101102 28
3 (Ternary) 1201020202002020203 18
4 (Quaternary) 310233122211124 14
5 (Quinary) 4231122243425 12
6 (Senary) 335411540106 11
7 (Septenary) 53241564517 10
8 (Octal) 15136651268 10
9 (Nonary) 5122206669 9
10 (Decimal) 22121122210 9
11 (Undecimal) 1039602A111 9
12 (Duodecimal) 620BB90612 8
13 (Tridecimal) 36AA2B1B13 8
14 (Tetradecimal) 2154449814 8
15 (Pentadecimal) 146490EC15 8
16 (Hexadecimal) D2F6A5616 7
17 92D9BCE17 7
18 (Octodecimal) 6914AC618 7
19 4D6848H19 7
20 (Vigesimal) 392B81220 7
21 2C396FF21 7
22 1KK6JLC22 7
23 1B8B5F523 7
24 (Tetravigesimal) 13IHN6624 7
25 (Pentavigesimal) MG7CNM25 6
26 (Hexavigesimal) IG1PDO26 6
27 (Septemvigesimal) FB6IK627 6
28 (Octovigesimal) CNP14M28 6
29 AMM3G529 6
30 (Trigesimal) 93307C30 6
31 7MGDHR31 6
32 (Duotrigesimal) 6IUQIM32 6
33 5LHHEC33 6
34 4TI76E34 6
35 47EFKM35 6
36 (Hexatrigesimal) 3NPBO636 6
64 (Tetrasexagesimal)MjIxMjExMjIy12


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