4 primes........the 1st 4 over 50.............adding them all is 240......a 4 sided figure with measurements of 2.............8 numbers, one by one.......the 1st 8 over 50.................octaves all over......and the 1d measurement of the 2 square.......8...........said like that is 18.....its 2d is 4..........24...like 240...like i ^ = -1 and i ^4 = 1.....every even exponent of i is real..........2 and 4......like the 2 square.......the smallest square to fully inscribe the unit circle.

Harmonic series (music) - Wikipedia

https://en.wikipedia.org/wiki/Harmonic_series_(music)

On the other hand, the octave series is a geometric progression (2×f, 4×f, 8×f, 16×f, ...)