I'm gonna go with 6.66, just because it's a scary number for xtian fuckwits. Otherwise I'd be 6.9
"If there are gaps they are in our knowledge, not in things themselves." Chapman Cohen
"Shit-apples don't fall far from the shit-tree, Randy." Mr. Lahey
"Shit-apples don't fall far from the shit-tree, Randy." Mr. Lahey