Q: What is 212,221,220 in other base number systems?

 A:

Base Representation Base Count
2 (Binary) 11001010011000111101001001002 28
3 (Ternary) 1122100222212100123 18
4 (Quaternary) 302212033102104 14
5 (Quinary) 4133120343405 12
6 (Senary) 330203453526 11
7 (Septenary) 51545645217 10
8 (Octal) 14514364448 10
9 (Nonary) 4832877059 9
10 (Decimal) 21222122010 9
11 (Undecimal) A987AA4211 8
12 (Duodecimal) 5B0A525812 8
13 (Tridecimal) 34C75BB313 8
14 (Tetradecimal) 2028414814 8
15 (Pentadecimal) 1397056515 8
16 (Hexadecimal) CA63D2416 7
17 8D7FE8317 7
18 (Octodecimal) 645B1DE18 7
19 49D8A7H19 7
20 (Vigesimal) 3667D1020 7
21 29K4C5821 7
22 1J3KDD222 7
23 19M887D23 7
24 (Tetravigesimal) 12FFFEK24 7
25 (Pentavigesimal) LI73NK25 6
26 (Hexavigesimal) HMACIG26 6
27 (Septemvigesimal) EL8PL527 6
28 (Octovigesimal) C97E9828 6
29 AA1EQ329 6
30 (Trigesimal) 8M01AK30 6
31 7COKMP31 6
32 (Duotrigesimal) 6ACF9432 6
33 5DVC5233 6
34 4MRGCK34 6
35 41EQSF35 6
36 (Hexatrigesimal) 3ICMXW36 6
64 (Tetrasexagesimal)MjEyMjIxMjIw12


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