Welcome This article explains the GENERAL interpretation of Name Number 18. Since 18 reduces to Root Number 9, the broader Root 9 family includes 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and 108. Every Compound Name Number has its own unique vibration and should always be interpreted separately. Quick Facts Recommendation Strongly Not Recommended in general (NumeroAstroVastu Methodology) Core Themes Temper, Dangerous Enemies, Instability, Materialism vs Spirituality, Healing