pissed off ' Fredrikthornm1 '

 4096                   Highest note on a piano

4096                   Quartz crystal ( 786,432 hertz octavized down - 1/ 2, 1 / 2, 1 / 2, etc. )

4000                   The most irritating (or activating) frequency (chainsaw freq)

3000                   Frequency that telephones are centered around ( voice harmonics )

1000                   Test Tone radio and tv put out when they go off the air

1000-5000            6th Chakra ( Third Eye )Other notable frequencies in this range include 1000 hertz , which is that tone you hear when you fall asleep at night with the TV on (and the station goes off the air leaving this test tone ).  4000 hertz is the chain saw frequency .  It is the most irritating frequency there is, by far .  It is also the frequency of finger nails on a chalk board.Cancer - 663 hz, 727 hz , 778hz , 787 hz , 802 hz , 880 hz , 1050 hz , 1550 hz , 2008 hz , 2050 hz , 2127 hz - 44 min. minimum .

etc. ); also divides to some common audio frequencies ( 273×192000, 1092×48000 ) IRON 416 hz ( 13:8) Ab ( PSYCHICCENTER/URANUS ) 50                       Main harmonic of a kitty purr;  Hummingbird approximate wing speed Asthma --- 1233, 1283