Select 16 unique numbers from 0 to 256
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 10,747,880,339,086,036,760,002,560 (~10747880.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 224,875,642,076,063,329,295,560,879,010,404,630,528 (~2.2487564207606E+20 million trillion)
If order does not matter (e.g. most lottery numbers): 10,747,880,339,086,036,760,002,560 (~10747880.3 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 224,875,642,076,063,329,295,560,879,010,404,630,528 (~2.2487564207606E+20 million trillion)