975 = 3 x 52 x 13.
975 is 1111001111 in base 2 (binary).
975 is 33033 in base 4, 4303 in base 6, 1303 in base 9, and 303 in base 18.
975 is a number that cannot be written as a sum of three squares.
975 is the number of 11-ominoes that contain one hole.
The Wright R-975 Whirlwind was a radial engine developed in the United States by Wright Aeronautical.
