Select 100 unique numbers from 0001 to 9999
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 64,556,384,553,017,887,204,101,568,828,644,419,664,505,383,665,784,335,370,699,660,050,988,879,846,243,102,933,180,465,679,017,396,917,135,974,355,191,495,698,546,397,973,016,743,894,755,159,528,543,707,480,688,986,158,237,048,050,303,710,302,890,010,339,638,723,238,062,858,710,194,552,558,766,022,861,442,440,100,839,424 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )
If order does not matter (e.g. most lottery numbers): 64,556,384,553,017,887,204,101,568,828,644,419,664,505,383,665,784,335,370,699,660,050,988,879,846,243,102,933,180,465,679,017,396,917,135,974,355,191,495,698,546,397,973,016,743,894,755,159,528,543,707,480,688,986,158,237,048,050,303,710,302,890,010,339,638,723,238,062,858,710,194,552,558,766,022,861,442,440,100,839,424 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )