six((-teen, -teenth)), sixth

Dictionary of Biblical Words:

One short of perfection, and characteristic of everything in this world; 666 is the number of “the beast” in the Revelation.

Concise Bible Dictionary:

Strong’s Dictionary of Hebrew Words:

Number:
8337 (find all occurrences in KJV Bible)
Transliteration:
shesh
Phonic:
shaysh
Meaning:
masculine shishshah {shish-shaw'}; a primitive number; six (as an overplus (see 7797) beyond five or the fingers of the hand); as ord. sixth
KJV Usage:
six((-teen, -teenth)), sixth