In the exponential number that consists of the power of number three (3), there are actually six of them that are composed of that number. These numbers are the only ones that belong to the list if you range them from the number three to one thousand. In this answer, I will provide you the three highest numbers under the power of three ranging from three to one thousand. Here are the following:
3(4) - 81
3(5) - 243
3(6) - 729