Il numero 21040, ventunmilaquaranta in Italiano, in Inglese si dice twenty-one thousand forty.
Il numero ordinale 21040° in inglese si dice twenty-one thousand fortieth.
21031: twenty-one thousand thirty-one
21032: twenty-one thousand thirty-two
21033: twenty-one thousand thirty-three
21034: twenty-one thousand thirty-four
21035: twenty-one thousand thirty-five
21036: twenty-one thousand thirty-six
21037: twenty-one thousand thirty-seven
21038: twenty-one thousand thirty-eight
21039: twenty-one thousand thirty-nine
21041: twenty-one thousand forty-one
21042: twenty-one thousand forty-two
21043: twenty-one thousand forty-three
21044: twenty-one thousand forty-four
21045: twenty-one thousand forty-five
21046: twenty-one thousand forty-six
21047: twenty-one thousand forty-seven
21048: twenty-one thousand forty-eight
21049: twenty-one thousand forty-nine