Il numero 1671, milleseicentosettantuno in Italiano, in Inglese si dice one thousand six hundred seventy-one.
Il numero ordinale 1671° in inglese si dice one thousand six hundred seventy-first.
1662: one thousand six hundred sixty-two
1663: one thousand six hundred sixty-three
1664: one thousand six hundred sixty-four
1665: one thousand six hundred sixty-five
1666: one thousand six hundred sixty-six
1667: one thousand six hundred sixty-seven
1668: one thousand six hundred sixty-eight
1669: one thousand six hundred sixty-nine
1670: one thousand six hundred seventy
1672: one thousand six hundred seventy-two
1673: one thousand six hundred seventy-three
1674: one thousand six hundred seventy-four
1675: one thousand six hundred seventy-five
1676: one thousand six hundred seventy-six
1677: one thousand six hundred seventy-seven
1678: one thousand six hundred seventy-eight
1679: one thousand six hundred seventy-nine
1680: one thousand six hundred eighty