5 1 8 4 3 7 July 8, 2019 16 32 64 128 7 1 4 3 5 8 in fraction form 5 1 4 x 3 7 8 5 1 4 minus 3 7 8 3 4 x 1 5 8 x 7 16 bearing 1 3 4 5 7 8-hexafluoro tetracyano naphtho quinodimethane
