Base Convertors from decimal Hex binary and Octal system

We have different number systems for our calculations. Most popular one is decimal system which is of base 10. In digital mathematics we use binary system of base 2. Similarly we use octal system with base 8. Hexadecimal system uses 16 as base. For colour specifications in our HTML codes we use Hex numbers. For example to display blue background color we have to use hex code #0000FF. This is same as Red =0 , Green =0 and blue =255 in decimal system.

We will learn how to convert numbers from one system to other by using JavaScript different functions.

Here is table to give you idea on how the number system changes with different base values.

Dec	Hex	Oct	Binary
0	0	0	0
1	1	1	1
2	2	2	10
3	3	3	11
4	4	4	100
5	5	5	101
6	6	6	110
7	7	7	111
8	8	10	1000
9	9	11	1001
10	a	12	1010
11	b	13	1011
12	c	14	1100
13	d	15	1101
14	e	16	1110
15	f	17	1111
16	10	20	10000

Converting decimal to Hexadecimal
JavaScript Math Reference

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Base Conversion in number system

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