Select 150 unique numbers from 1 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 6,142,498,248,427,143,027,490,816 (~6 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,427,247,692,705,959,853,705,934,824,475,471,788,658,605,711,166,100,800,030,391,548,918,146,481,857,770,409,175,486,677,587,123,222,213,172,255,386,333,064,338,730,415,470,250,322,282,775,695,904,306,620,468,499,567,443,684,904,586,771,125,742,830,274,740,224 (~)
If order does not matter (e.g. most lottery numbers): 6,142,498,248,427,143,027,490,816 (~6 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,427,247,692,705,959,853,705,934,824,475,471,788,658,605,711,166,100,800,030,391,548,918,146,481,857,770,409,175,486,677,587,123,222,213,172,255,386,333,064,338,730,415,470,250,322,282,775,695,904,306,620,468,499,567,443,684,904,586,771,125,742,830,274,740,224 (~)