In music, a two hundred fifty-sixth note (or occasionally demisemihemidemisemiquaver) is a note played for 1⁄256 of the duration of a whole note. It lasts half as long as a hundred twenty-eighth note and takes up one quarter of the length of a sixty-fourth note. In musical notation it has a total of six flags or beams.
Definition #2 for "demisemihemidemisemiquaver"
The numerical value of demisemihemidemisemiquaver in Chaldean Numerology is: 9