Odyssey comma

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Interval information
Ratio 4004001/4004000
Factorization 2-5 × 32 × 5-3 × 7-1 × 11-1 × 13-1 × 232 × 292
Monzo [-5 2 -3 -1 -1 -1 0 0 2 2
Size in cents 0.00043237608¢
Name odyssey comma
Color name bitwenotwetho-athulurutrigu 2nd, 29oo23oo3u1urg32,
bitwenotwetho-athulurutrigu comma
FJS name [math]\text{m}{-2}^{23,23,29,29}_{5,5,5,7,11,13}[/math]
Special properties square superparticular,
reduced
Tenney height (log2 nd) 43.866
Weil height (log2 max(n, d)) 43.866
Wilson height (sopfr(nd)) 166
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.19982 bits
Comma size unnoticeable
open this interval in xen-calc

4004001/4004000, the odyssey comma, is a 29-limit no-17s no-19s unnoticeable comma measuring about 0.00043 cents. It was named by Tristan Bay in 2024 after the film 2001: A Space Odyssey, because it is the superparticular ratio with 20012 as its numerator, or S2001 (see Square superparticular).