Select 2 unique numbers from 1 to 2000000000000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,999,999,999,999,000,044,371,968 (~2000000 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,999,999,999,998,000,088,743,936 (~4000000 million trillion)
If order does not matter (e.g. most lottery numbers): 1,999,999,999,999,000,044,371,968 (~2000000 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,999,999,999,998,000,088,743,936 (~4000000 million trillion)