256ed5
256 equal divisions of the 5th harmonic is an equal-step tuning of 10.884 cents per each step. It is equivalent to 110.2532 EDO.
256ed5 combines dual-fifth temperaments with quarter-comma meantone.
Theory
| P | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 |
| Error (rc) | 25 | -26 | 0 | -48 | 41 | -1 | -34 | 35 | -26 |
| Steps (reduced) | 110 (110) | 175 (175) | 256 (256) | 310 (54) | 381 (125) | 408 (152) | 451 (195) | 468 (212) | 499 (243) |
In 256ed5, the just perfect fifth of 3/2, corresponds to approximately 64.5 steps, thus occuring almost halfway between the quarter-comma meantone fifth and it's next step.