The Number 1785: Properties and MeaningsPrime Factors of 1785=3x5x7x17.
1785 is a 15-gonal Number.
1785 is a Square Pyramidal Number.
1785 is a Kaprekar constant in base 2.
The Year 1785 ADIn the year 1785 AD Edmund Cartwright invented the power loom.
In the year 1785 AD Claude Berthollet invented chemical bleaching.
In the year 1785 AD Charles Augustus Coulomb invented the torsion balance.
In the year 1785 AD Blanchard invents a working parachute.
In the year 1785 AD How to Entertain Yourself With the Deck of Cards Called Tarot by Etteilla was published.(Esoteric History)