The Star of David and the five-pointed star are both symbols associated with Christianity. The Star of David is a six-pointed star formed by two interlocking triangles, one pointing up, one pointing down. It is named after King David and appears on the flag of Israel. While predominately recognized as a symbol of Judaism and Israel, many Christians identify with the Star of David as well.
– Christian Star, Christian Symbols Illustrated Glossary, About.com
This calls for wisdom. Let the person who has insight calculate the Number of the Beast, for it is the Number of a Man. That number is 666.
– Revelation 13:18
A true riddle is found in Revelation 13:18, where the number 666 is apparently an obscure reference to some individual. The attempts to interpret it are legion and no consensus reigns…Great caution needs to be exercised in interpreting the “dark sayings” of the Scripture. Special care should be given to understand exactly what the words in the original language meant. Due regard to context, always important, is esp. so in such instances.
– Encyclopedia of The Bible, BibleGateway.com