How do I detect ONLY keypad input

I would like to make a if statement where if only the keypad Numbers are pressed. ie:

if(Input.GetKeyDown(KeyCode.Keypad))

If there is none for any numpad input, do I have to do?
if(Input.GetKeyDown(KeyCode.Keypad0) || (Input.GetKeyDown(KeyCode.Keypad1) ||… etc)

Yes, you do - there is no Keycode.KeypadAny