Answer:
Do you mean eight thousand, four hundred seventeen?
If so,
Form #1: 4,817
Form #2: 4.817 (on top of 817, you put a line to show that the number goes on forever.) →→→→→
I hope I have helped!
Explanation:
Dragon, legendary monster usually conceived as a huge, bat-winged, fire-breathing, scaly lizard or snake with a barbed tail. The belief in these creatures apparently arose without the slightest knowledge on the part of the ancients of the gigantic, prehistoric, dragon-like reptiles.