" Do you know that two is an untouchable number too?” Finn said after several long minutes, his eyes on his hand.
“It is?”
He nodded slowly and traced the dots which now numbered six. “And six is what is known as a perfect number. The sum of its divisors—one, two, and three—all add up to six. The product of its divisors are also six.”
“So what you’re telling me, then, is together we are perfect and untouchable? "

― Amy Harmon , Infinity + One