Select 21 unique numbers from 1 to 1000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 15,842,531,194,114,692,719,177,259,451,225,621,619,802,112 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 809,409,845,092,016,903,074,533,998,943,462,435,303,559,337,135,501,864,148,664,320 (~)
If order does not matter (e.g. most lottery numbers): 15,842,531,194,114,692,719,177,259,451,225,621,619,802,112 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 809,409,845,092,016,903,074,533,998,943,462,435,303,559,337,135,501,864,148,664,320 (~)