Select 1 unique numbers from 20001 to 40000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 20,000 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,000 (~20 thousand)
If order does not matter (e.g. most lottery numbers): 20,000 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,000 (~20 thousand)
