Select 20 unique numbers from 1000 to 10000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 4,903,617,308,588,868,465,992,453,651,319,295,970,447,585,270,088,157,823,500,288 (~4.9036173085889E+42 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 11,930,020,397,395,588,516,200,786,670,631,996,294,069,281,387,358,469,587,803,688,167,053,526,615,195,648 (~1.1930020397396E+61 million trillion)
If order does not matter (e.g. most lottery numbers): 4,903,617,308,588,868,465,992,453,651,319,295,970,447,585,270,088,157,823,500,288 (~4.9036173085889E+42 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 11,930,020,397,395,588,516,200,786,670,631,996,294,069,281,387,358,469,587,803,688,167,053,526,615,195,648 (~1.1930020397396E+61 million trillion)
