Il numero 1640, milleseicentoquaranta in Italiano, in Inglese si dice one thousand six hundred forty.
Il numero ordinale 1640° in inglese si dice one thousand six hundred fortieth.
1631: one thousand six hundred thirty-one
1632: one thousand six hundred thirty-two
1633: one thousand six hundred thirty-three
1634: one thousand six hundred thirty-four
1635: one thousand six hundred thirty-five
1636: one thousand six hundred thirty-six
1637: one thousand six hundred thirty-seven
1638: one thousand six hundred thirty-eight
1639: one thousand six hundred thirty-nine
1641: one thousand six hundred forty-one
1642: one thousand six hundred forty-two
1643: one thousand six hundred forty-three
1644: one thousand six hundred forty-four
1645: one thousand six hundred forty-five
1646: one thousand six hundred forty-six
1647: one thousand six hundred forty-seven
1648: one thousand six hundred forty-eight
1649: one thousand six hundred forty-nine