Select 1 unique numbers from 1000000001 to 1999000001
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 999,000,001 (~999 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,000,001 (~999 million)
If order does not matter (e.g. most lottery numbers): 999,000,001 (~999 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,000,001 (~999 million)
