Select 15 unique numbers from 00 to 99
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 253,338,471,349,988,640 (~253 quadrillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 331,284,225,412,682,530,189,614,252,032 (~)
            
                If order does not matter (e.g. most lottery numbers): 253,338,471,349,988,640 (~253 quadrillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 331,284,225,412,682,530,189,614,252,032 (~)



