Double 四 (sì) creates serious obstacles, but powerful 八 (bā) 'prosperity' and imperial 九 (jiǔ) 'eternity' can overcome negativity. Classic example of opposing forces in Chinese philosophy.
History
🔢
Western numerology
Double fours create a robust platform for long-term projects. The eight adds business acumen, while nine brings broad thinking. Root 7 demands thorough analysis before making decisions.