Select 18 unique numbers from 3 to 1891
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 13,506,701,692,717,959,680,242,682,916,967,467,255,332,864 (~1.3506701692718E+25 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 86,474,951,768,569,331,410,658,365,295,357,119,961,722,370,293,328,741,662,720 (~8.6474951768569E+40 million trillion)
If order does not matter (e.g. most lottery numbers): 13,506,701,692,717,959,680,242,682,916,967,467,255,332,864 (~1.3506701692718E+25 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 86,474,951,768,569,331,410,658,365,295,357,119,961,722,370,293,328,741,662,720 (~8.6474951768569E+40 million trillion)