Select 4 unique numbers from 1 to 100000000000000000000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 4,166,666,666,666,666,393,524,651,475,980,962,829,896,902,956,324,949,548,632,854,788,298,762,730,078,208 (~4.1666666666667E+60 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 100,000,000,000,000,000,026,609,864,708,367,276,537,402,401,181,200,809,098,131,977,453,489,758,916,313,088 (~1.0E+62 million trillion)
If order does not matter (e.g. most lottery numbers): 4,166,666,666,666,666,393,524,651,475,980,962,829,896,902,956,324,949,548,632,854,788,298,762,730,078,208 (~4.1666666666667E+60 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 100,000,000,000,000,000,026,609,864,708,367,276,537,402,401,181,200,809,098,131,977,453,489,758,916,313,088 (~1.0E+62 million trillion)