http://breezewiki.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/minecraft/wiki/Experience
For performance improvement, experience orbs of the same value can merge into a single entity, but they do not create a higher value orb. Orb Minimum value Maximum value -32768 [ 2 ] 2 3 6 7 16 17 36 37 72 73 148 149 306 307 616 617 1236 1237 2476 2477 32767 Naturally spawned orbs always have an integer value of 1–11, 17, 37, 73, 149, 307, 617, 1237, or 2477.