What Is the Super Tonic of B Major?

When we think about music in cardinal numbers, one and its double two represent the octave. The number nine corresponds to which musical interval? Which interval is the musical manifestation of number nine? What interval does the super tonic give us? Major second. Som nine represents the supertonic or the major second. So what is nine to three in general terms? If we say free as a not overton brilliant then six would be perfect fifth.