1. I am a 4 digit number.

  2. I am a famous date in history.

  3. Twice my hundreds digit equals seven more than my tens digit.

  4. The sum of my thousands digit and my hundreds digit is 8.

  5. My hundreds digit decreased by my thousands digit is equal to my units digit.

  6. The product of my units digit and my tens digit is 42.


      Who am I?











Answer: I am 1776.