Q: What is 123,456,789 in other base number systems?

A:

Base Representation Base Count
2 (Binary) 1110101101111001101000101012 27
3 (Ternary) 221210220202122003 17
4 (Quaternary) 131123303101114 14
5 (Quinary) 2231011041245 12
6 (Senary) 201300351136 11
7 (Septenary) 30262362217 10
8 (Octal) 7267464258 9
9 (Nonary) 2772667809 9
10 (Decimal) 12345678910 9
11 (Undecimal) 63762A0511 8
12 (Duodecimal) 35418A9912 8
13 (Tridecimal) 1C76747113 8
14 (Tetradecimal) 1257978114 8
15 (Pentadecimal) AC89BC915 7
16 (Hexadecimal) 75BCD1516 7
17 51G2A2117 7
18 (Octodecimal) 3B60F8918 7
19 2BG64AE19 7
20 (Vigesimal) 1IBC1J920 7
21 194GH7F21 7
22 11L080522 7
23 J43JFB23 6
24 (Tetravigesimal) FC2EGL24 6
25 (Pentavigesimal) CG15LE25 6
26 (Hexavigesimal) AA44A126 6
27 (Septemvigesimal) 8G86NI27 6
28 (Octovigesimal) 74NQB128 6
29 60FSHJ29 6
30 (Trigesimal) 52CE6930 6
31 49L30231 6
32 (Duotrigesimal) 3LNJ8L32 6
33 353C3R33 6
34 2OD2I134 6
35 2C9G1T35 6
36 (Hexatrigesimal) 21I3V936 6
64 (Tetrasexagesimal)MTIzNDU2Nzg512

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