convert decimal to base2 | Lekshmana Perumal Murugan

This program converts decimal number into different base number system.

Supports Binary (base2) to base9 conversion

	package com.lp.mysample;

	import java.math.BigInteger;

	/**
	* @author lperumalm This class converts number to different base system (base2
	* – base9)
	* <h3>Sample Test Data for 16</h3>
	* <ul>
	* </li>
	* <li>decimal-base2 for number 16 is 10000</li>
	* <li>decimal-base3 for number 16 is 121</li>
	* <li>decimal-base4 for number 16 is 100</li>
	* <li>decimal-base5 for number 16 is 31</li>
	* <li>decimal-base6 for number 16 is 24</li>
	* <li>decimal-base7 for number 16 is 22</li>
	* <li>decimal-base8 for number 16 is 20</li>
	* <li>decimal-base9 for number 16 is 17</li>
	* </ul>
	*/
	public class ConvertDecimalToBase2TO9 {

	public static void main(String[] args) {
	decimal2Base(new BigInteger("12345678900000"));
	}

	private static void decimal2Base(BigInteger no) {
	for (int i = 2; i < 9; i++) {
	BigInteger value = BigInteger.ZERO, factor = BigInteger.ONE, x = no, j = BigInteger.valueOf(i);
	while (x.compareTo(BigInteger.ZERO) > 0) {
	value = ((x.mod(j)).multiply(factor)).add(value);
	x = x.divide(j);
	factor = factor.multiply(BigInteger.TEN);
	}
	System.out.println("decimal-base" + i + " for number " + no + " is " + value);
	}
	}
	}

Sample Output

For Input 15

For Input 12345678900000

decimal-base2 for number 12345678900000 is 10110011101001110011110011100010101100100000
decimal-base3 for number 12345678900000 is 1121201020100120220200022200
decimal-base4 for number 12345678900000 is 2303221303303202230200
decimal-base5 for number 12345678900000 is 3104232422244300000
decimal-base6 for number 12345678900000 is 42131305424333200
decimal-base7 for number 12345678900000 is 2412642301124415
decimal-base8 for number 12345678900000 is 263516363425440

Lekshmana Perumal Murugan