Dos the Pleasing Come Because of These Whole Number Multiples?

The reason we divide into 12 is because originally the octaves were seen as nice things. There's your nice octave, and then these intervals, where you multiply the frequency by three over two, which we now call a perfect fifth. In between those notes on a piano, tho there are 12 keys, each a semitone apart her. So in other words, 12 fifths on a piano equals seven octaves. Now that means this 12 number, if you just go up and down octaves, you can fit all those 12 different fifths that you did,. They give you the 12 different notes in an octave. That is not a hundred 28. It's a 29 bit