To amuse you while you consider your next move, here is a demonstration of the
Collatz Conjecture for a random integer between 1,000 and 50,000:
4272 → 2136 → 1068 → 534 → 267 → 802 → 401 → 1204 → 602 → 301 → 904 → 452 → 226 → 113 → 340 → 170 → 85 → 256 → 128 → 64 → 32 → 16 → 8 → 4 → 2 → 1
(25 steps)