Misc: What are the only numbers where they are the values of the numbers of factors they have?

Questions

what academic title did nazi propaganda minister josef goebbels hold?

what was the name of the nazi party deputy who was held in captivity for 46 years until his alleged suicide in 1987?

who was the director of the fbi from 1924 to 1974?

in second world war allied soldier?

what was the name of the japanese emperor in power until the end of the second world war?