20^2 + (50 - 2 * 15)
Next number is a prime number: 683
Next number is a prime number: 683
"it's nine!"You didn't kill it, just put it to sleep.
2^3 (2^9 +1) = 4104
362880 (for bonus points this can be answered with only 2 characters)
"it's nine!"
"what? Speak up!"
"I said IT'S NINE!"
or maybe that should just be 9!