FINDING: The 360-degree circle originates from a sexagesimal (base-60) calendar system with 360 days and 30-day months, chosen for its high divisibility (24 divisors) and alignment with celestial cycles. | MATH: 360 = 2³ × 3² × 5; divisors: 1,2,3,4,5,6,8,9,10,12,15,18,20,24,30,36,40,45,60,72,90,120,180,360. Base-60: 60 = 2² × 3 × 5; divisors: 1,2,3,4,5,6,10,12,15,20,30,60. | CONNECTION: 360/30 = 12 (zodiac months); 360/60 = 6 (hexagonal symmetry); 360/72 = 5 (pentagonal symmetry). The number 360 is the least common multiple of 24 (hours) and 30 (days), linking to octahedral symmetry (order 24) and icosahedral symmetry (order 60). The ratio 360/24 = 15, and 360/60 = 6, both appear in crystallographic point groups. | DEPTH: 8 — This is a foundational insight connecting ancient calendrical mathematics to modern group theory and crystallographic symmetry orders. The choice of 360 is not arbitrary but optimized for harmonic division, prefiguring the use of highly composite numbers in modern Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
Andrew Stewart Caldin (Sat,) studied this question.