why 142857...

 because...

52 x 36 + 987 + 741 = 3600 "squared" x 3600 = 12960000 / 30 / 60 / 90 / 80 = 1 

and 1 / 70000 = 0.0000142857

$$to\; be\; precise\; ....\; 0.0000142857\times 10,000,000,000=142,857$$

$$https://www.ashasequence.com/harmonic-intelligence.html$$

© 2025 Susan L. Gardner. All rights reserved.​​