Il numero 1591, millecinquecentonovantuno in Italiano, in Inglese si dice one thousand five hundred ninety-one.
Il numero ordinale 1591° in inglese si dice one thousand five hundred ninety-first.
1582: one thousand five hundred eighty-two
1583: one thousand five hundred eighty-three
1584: one thousand five hundred eighty-four
1585: one thousand five hundred eighty-five
1586: one thousand five hundred eighty-six
1587: one thousand five hundred eighty-seven
1588: one thousand five hundred eighty-eight
1589: one thousand five hundred eighty-nine
1590: one thousand five hundred ninety
1592: one thousand five hundred ninety-two
1593: one thousand five hundred ninety-three
1594: one thousand five hundred ninety-four
1595: one thousand five hundred ninety-five
1596: one thousand five hundred ninety-six
1597: one thousand five hundred ninety-seven
1598: one thousand five hundred ninety-eight
1599: one thousand five hundred ninety-nine
1600: one thousand six hundred