Select 20 unique numbers from 1 to 1300
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 67,444,858,990,762,683,091,402,642,212,773,336,654,544,896 (~6.7444858990763E+25 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 164,086,732,879,816,841,109,827,593,550,814,926,399,563,117,158,863,123,404,292,096 (~1.6408673287982E+44 million trillion)
If order does not matter (e.g. most lottery numbers): 67,444,858,990,762,683,091,402,642,212,773,336,654,544,896 (~6.7444858990763E+25 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 164,086,732,879,816,841,109,827,593,550,814,926,399,563,117,158,863,123,404,292,096 (~1.6408673287982E+44 million trillion)
