8-27, (0134678A)
   
Interval-content vector <456553>
Distance (7/8)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 8 note chord, in semitones

Cohemitonic chromatic-cluster-containing
Hemitonic set contains one or more semitones
Nearly Even divides the octave nearly evenly
Tritonic set contains one or more tritones