positional number system with base 5 From Wikipedia, the free encyclopedia
The quinary number system (also known as base 5) is a number system that use 5 digits (0, 1, 2, 3 and 4). Quinary is related to the decimal system. Examples are 17 in quinary is 32 and 64 in quinary is 224. When you reach 4 it will not be 5 because 5 is not in the quinary system, so it will add a 1 the front and everything else except for the 1 at the front (first digit) to 0, instead of 5 at the back. Quinary is almost half of decimal (1-25 only, if they end with 0 or 5 (in decimal)) because 15 in quinary is 30 or 20 in quinary is 40.[1][2]
0 = 0
1 = 1
2 = 2
3 = 3
4 = 4
5 = 10
6 = 11
7 = 12
8 = 13
9 = 14
10 = 20
11 = 21
12 = 22
13 = 23
14 = 24
15 = 30
16 = 31
17 = 32
18 = 33
19 = 34
20 = 40
Binary (Base 2)
Ternary (Base 3)
Quaternary (Base 4)
Senary (Base 6)
Septenary (Base 7)
Octal (Base 8)
Nonary (Base 9)
Decimal (Base 10)
Hexadecimal (Base 16)
Vigesimal (Base 20)
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