5-7-11-13 hexany
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A no-3's 13-odd-limit Hexany comprised entirely of prime numbers. This creates a scale of 1 143/140 11/10 13/10 11/7 13/7 2/1, with steps of 143/140 14/13 13/11 110/91 13/11 14/13. This is a near equidistant diminished tetrad with two extra notes clustered inside one of the quadrants, making it quite melodically effective despite having many xenharmonic factors.
! 5-7-11-13_Hexany.scl ! 5 7 11 13 2-combination Hexany 6 ! 36.705 165.004 454.213 782.492 1071.701 1200
Suggested keyboard mapping: C Db D F G# B C