Select 4 unique numbers from 1 to 251
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 161,455,750 (~161.5 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,874,938,000 (~3.9 billion)
If order does not matter (e.g. most lottery numbers): 161,455,750 (~161.5 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,874,938,000 (~3.9 billion)