801

801 = 3² x 89.

801 has a representation as a sum of two squares: 801 = 15² + 24².

801 = (7! + 8! + 9! + 10!)/(7 x 8 x 9 x 10).

801 is 1441 in base 8 and 171 in base 25.

801 was an English experimental rock band formed in 1976 for three live concerts.

Source: What's Special About This Number?