Select 1 unique numbers from 0 to 20000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 20,001 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,001 (~20 thousand)
If order does not matter (e.g. most lottery numbers): 20,001 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,001 (~20 thousand)
