Who was the sixth President of the United States?

Who was the second President of the United States? Who was the third President of the United States? Who was the fourth President of the United States? Who was the fifth President of the United States? Who was the seventh President of the United States? Who was the eighth President of the United States? Who was the ninth President of the United States, who died after about a month in office? Who was the tenth President of the United States?