13ed5/2 is the equal division of the 5/2 interval into 13 parts of 122.024 cents each. It roughly corresponds to 10edo.

← 12ed5/2 13ed5/2 14ed5/2 →
Prime factorization 13 (prime)
Step size 122.024 ¢ 
Octave 10\13ed5/2 (1220.24 ¢)
(semiconvergent)
Twelfth 16\13ed5/2 (1952.39 ¢)
Consistency limit 5
Distinct consistency limit 5

Theory

Like 10edo, 13ed5/2 tempers out 50/49 in the no-threes 7-limit, supporting 5/2-equivalent jubilismic temperament (named "jub" by CompactStar) with a generator of ~7/5.

Approximation of harmonics in 13ed5/2
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +20.2 +50.4 +40.5 +20.2 -51.4 +47.8 +60.7 -21.2 +40.5 -2.5 -31.1
Relative (%) +16.6 +41.3 +33.2 +16.6 -42.1 +39.2 +49.8 -17.3 +33.2 -2.0 -25.5
Steps
(reduced)
10
(10)
16
(3)
20
(7)
23
(10)
25
(12)
28
(2)
30
(4)
31
(5)
33
(7)
34
(8)
35
(9)

Intervals

# Cents
0 0.000
1 122.024
2 244.048
3 366.072
4 488.096
5 610.120
6 732.144
7 854.168
8 976.192
9 1098.216
10 1220.240
11 1342.264
12 1464.288
13 1586.312