Check whether the number is perfect squares?

$136$

Check whether the number is perfect squares?

$256$

Check whether the number is perfect square?

$321$

Check whether the number is perfect square?

The number is not perfect square. Give reasons?

$257$

The number is not a perfect square. Give reasons?

$4592$

The following number is not perfect square. Give reasons?

$2433$

The following number is not a perfect square. Give reasons?

$5050$

The following number is not perfect square. Give reasons?

$6098$