Studying positive intgers!

= 1; $i--){ $fact *= $num; } return $fact; } #finding sum of randomly generated intger function sum($num){ $sum = 0; for($i = 1; $i <= $num; $i++){ $sum += $num; } return $sum; } #generating random number $rand = rand(1,10000); $flag = 0; $div = 0; #displaying same basic properties echo '

properties of '. $rand.' are:

'; echo $rand .' square is '.pow($rand, 2) .'

'; echo $rand .' cube is '.pow($rand, 3) .'

'; echo $rand .' to the power of 4 is '.pow($rand, 4).'

'; echo 'square root of '.$rand .' is '.pow($rand, 1/2).'

'; echo 'cube root of '.$rand .' is '.pow($rand, 1/3).'

'; echo 'fourth root of '.$rand .' is '.pow($rand, 1/4).'

'; #checking if the number is odd or even and displaying the result if ($rand % 2 == 0) { echo $rand. ' is an even intger

'; }else{ echo $rand. ' is an odd intger!

'; } #displaying both factorial and sum if (factorial($rand) != INF) { echo $rand .' factorial is '.factorial($rand).'

'; }else if (factorial($rand) == INF){ echo $rand .' Factorial is almost infinity!

'; } echo 'sum of '.$rand.' intgers are '.sum($rand).'

'; echo $rand . ' is divisible by

'; #finding divisors of intger and displaying the output for($i = 1; $i <= $rand/2 ; $i ++ ){ if ($rand % $i == 0) { # code... echo $i .', '; $flag++; #finding sum of divisors except itself $div += $i; } } echo ' and '.$rand .'

'; #adding itself to sum of divisors $div += $rand; echo 'sum of divisors of '.$rand .' are '.$div .'

'; if ($flag < 2) { echo $rand .' is also prime number!'; } ?>

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studying positive intgers property!