From int to Binary to float

Quiet afternoon at work (which is quite rare), so I wrote a little java program that converts from integer to binary to float.

public class PracticeMain {

public static void main(String[] args) {

int number = 26;
int remainder;
String output = "";

while(number > 1)
{
remainder = number%2;
output = (Integer.toString(remainder)) + output;
number = number/2;
}

output = (Integer.toString(number)) + output;
System.out.print(output);

StringBuffer outputString = new StringBuffer(output);
outputString.reverse();
output = outputString.toString();

double floatnum = 0;

for(int i= output.length(); i > 0 ; i--)
{
if(output.charAt(i-1) == '1')
{
floatnum = floatnum + Math.pow(2, (i-1));
}
}

System.out.println();
System.out.println(floatnum);

}

}