Select 40 unique numbers from 100 to 999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 7,516,856,169,959,815,416,922,755,094,811,198,616,827,934,906,667,406,221,260,954,749,894,656 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,133,117,831,046,469,447,285,488,793,153,252,631,882,494,622,829,040,453,158,512,947,927,171,746,631,973,259,933,885,827,214,613,816,472,245,969,558,175,744 (~)
If order does not matter (e.g. most lottery numbers): 7,516,856,169,959,815,416,922,755,094,811,198,616,827,934,906,667,406,221,260,954,749,894,656 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,133,117,831,046,469,447,285,488,793,153,252,631,882,494,622,829,040,453,158,512,947,927,171,746,631,973,259,933,885,827,214,613,816,472,245,969,558,175,744 (~)
