125:150:180:216

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Chord information
Harmonics 125:150:180:216
Subharmonics 1/(216:180:150:125)
Intervals from root 1/1 – 6/5 – 36/25 – 216/125
Cents from root 0¢ 316¢ 631¢ 947¢
Step intervals 6/5, 6/5, 6/5
Step cents 316¢, 316¢, 316¢
Color name gu gugu-5 trigu-7 or g(gg5)g37
Prime limit 5
Genus 33 ⋅ 53 (3375)
Intervallic odd limit 125
Otonal odd limit 125
Utonal odd limit 125

125:150:180:216 is a diminished seventh chord formed by stacking three 6/5 minor thirds, leaving an augmented wholetone of 125/108 (10/9 ⋅ 25/24) to close the octave.