Quinary - Simple English Wikipedia, the free encyclopedia

From Simple English Wikipedia, the free encyclopedia

The quinary number system (also known as base-5 or pental) 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]

• Left is Decimal and Right is Quinary

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)