1839
1841
The Number 1840: Properties and Meanings
Prime Factors
of
1840
=
2
x
2
x
2
x
2
x
5
x
23
.
1840
is a
308-gonal Number
.
The Year 1840 AD
In the year
1840
AD Englishmen, John Herschel invented the blueprint.
1839
1841