1619edo divides the octave into parts of 741 millicents each. It is the 256th Prime EDO.

Theory

Approximation of prime harmonics in 1619edo
Harmonic 2 3 5 7 11 13 17 19 23 29
Error Absolute (¢) +0.000 -0.040 -0.149 -0.080 +0.134 -0.009 +0.295 -0.293 +0.262 -0.053
Relative (%) +0.0 -5.4 -20.2 -10.8 +18.0 -1.2 +39.8 -39.5 +35.3 -7.1
Steps
(reduced)
1619
(0)
2566
(947)
3759
(521)
4545
(1307)
5601
(744)
5991
(1134)
6618
(142)
6877
(401)
7324
(848)
7865
(1389)

1619edo is excellent in the 13-limit. It supports an extension of the ragismic temperament with 2 extra dimensions in several ways. First, it supports the 441 & 270 & 1619 rank 3 temperament tempering out 4225/4224, 4375/4374, 123201/123200, 655473/655360, 1664000/1663893, and 6470695/6469632. Second, it supports 72 & 494 & 270 & 1619 temperament tempering out 6656/6655, 2912000/2910897, and 29115625/29113344.

In general, 1619edo supports vidar, with the comma set 4225/4224, 4375/4374, and 6656/6655.