Select 31 unique numbers from 1 to 100
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 66,324,638,306,863,419,876,179,968 (~66 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 545,376,799,594,046,319,033,219,179,623,926,288,707,610,689,785,840,596,418,560 (~)
If order does not matter (e.g. most lottery numbers): 66,324,638,306,863,419,876,179,968 (~66 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 545,376,799,594,046,319,033,219,179,623,926,288,707,610,689,785,840,596,418,560 (~)