Katy's friend Emily was also sorting beads into different jars. As she finished with each jar she wrote down how many beads were placed into it. However, it seems that she forgot to write down one of the numbers! Based on the numbers that she has listed, and assuming that she kept the same pattern while placing the beads into the jars, find the missing term for the sequence below.
Numbers:1,3,9,?,81 ,
(You have to figure out the what the ? is)