Il numero 638, seicentotrentotto in Italiano, in Inglese si dice six hundred thirty-eight.
Il numero ordinale 638° in inglese si dice six hundred thirty-eighth.
629: six hundred twenty-nine
630: six hundred thirty
631: six hundred thirty-one
632: six hundred thirty-two
633: six hundred thirty-three
634: six hundred thirty-four
635: six hundred thirty-five
636: six hundred thirty-six
637: six hundred thirty-seven
639: six hundred thirty-nine
640: six hundred forty
641: six hundred forty-one
642: six hundred forty-two
643: six hundred forty-three
644: six hundred forty-four
645: six hundred forty-five
646: six hundred forty-six
647: six hundred forty-seven