Select 7 unique numbers from 1 to 999999999999999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 198,412,698,412,692,870,489,977,370,638,686,283,411,721,571,495,754,676,295,796,275,313,113,232,806,033,068,887,358,918,870,729,490,432 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,999,999,999,972,056,328,374,747,003,672,740,976,667,261,108,545,086,320,777,910,036,440,909,652,199,175,542,780,016,832,742,370,050,048 (~)
If order does not matter (e.g. most lottery numbers): 198,412,698,412,692,870,489,977,370,638,686,283,411,721,571,495,754,676,295,796,275,313,113,232,806,033,068,887,358,918,870,729,490,432 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,999,999,999,972,056,328,374,747,003,672,740,976,667,261,108,545,086,320,777,910,036,440,909,652,199,175,542,780,016,832,742,370,050,048 (~)