Select 7 unique numbers from 0 to 9999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,979,963,788,224,528,826,499,072 (~1979963.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,979,017,492,651,625,238,310,682,624 (~9979017492.7 million trillion)
If order does not matter (e.g. most lottery numbers): 1,979,963,788,224,528,826,499,072 (~1979963.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,979,017,492,651,625,238,310,682,624 (~9979017492.7 million trillion)