Select 100 unique numbers from 1 to 1000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 63,850,511,926,305,231,750,324,667,573,150,721,545,266,747,538,649,602,135,521,014,941,140,385,639,267,706,404,121,989,171,012,289,063,773,138,793,078,535,525,894,985,931,894,017,753,088 (~6.3850511926305E+121 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,958,926,632,240,484,880,471,459,407,620,199,640,808,614,538,959,423,028,282,842,000,220,949,365,631,971,677,700,138,514,724,261,015,514,855,742,629,734,244,502,437,387,432,068,819,226,789,682,137,481,883,542,260,651,458,112,733,210,307,431,999,218,138,749,770,857,829,884,307,718,630,189,601,527,876,383,607,338,664,370,213,491,305,722,231,854,669,036,492,820,230,584,225,306,205,970,673,696,768 (~5.9589266322405E+279 million trillion)
If order does not matter (e.g. most lottery numbers): 63,850,511,926,305,231,750,324,667,573,150,721,545,266,747,538,649,602,135,521,014,941,140,385,639,267,706,404,121,989,171,012,289,063,773,138,793,078,535,525,894,985,931,894,017,753,088 (~6.3850511926305E+121 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,958,926,632,240,484,880,471,459,407,620,199,640,808,614,538,959,423,028,282,842,000,220,949,365,631,971,677,700,138,514,724,261,015,514,855,742,629,734,244,502,437,387,432,068,819,226,789,682,137,481,883,542,260,651,458,112,733,210,307,431,999,218,138,749,770,857,829,884,307,718,630,189,601,527,876,383,607,338,664,370,213,491,305,722,231,854,669,036,492,820,230,584,225,306,205,970,673,696,768 (~5.9589266322405E+279 million trillion)
