27/13

27/13 |0 3 0 0 0 -1>

1265.3373 cents

File:Jid 27 13 pluck adu dr220.mp3 sound sample

This interval, slightly larger than an octave, tritave inverse of 13/9, is notable for being well approximated by 10 steps of 15ed3 (1267.97 cents).