No, 1642 was in the 17th century.
Galileo lived in the 16th and 17th century
Blaise Pascal along with Wilhelm Schickard was one of two inventors of the mechanical calculator in the early 17th century. Pascal designed the machine in 1642.
1642=MDCXLII
1 2 821 1642.
1642
1642 in Scientific Notation = 1.642 x 103
766 + 876 = 1642 1642 / 2 = 821
1642 she was 50 when she was accused in 1692 1692-50=1642
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
Worldwide, there were more Catholics than Protestants in 1642 as there are today.
Assuming a year duration of exactly 52 weeks, there are a total of 1642/52 = 31 years 30 weeks in 1642 weeks.