Numerologically, your "mask" is a 6(Day of birth).This is the energy projected to others who know you on the surface; You have a strong sense of responsibility, artistic, a nurturing disposition,have a love of home and domestic affairs.
Negatively you can also come across to others as;Stubborn, meddling, obsessive, possessive, jealous, passive-aggressive and defensive in associations.
Your life path number is 9
This is the number of your birthday all summed up to a single digit. It constitute your deeper personality and the person that people who establish a long-term relationship with you ,are apt to see.
Humanitarian instincts, a giving nature, selflessness,easily influenced to do good works.
Negatively;Unrealistic, avoid responsibility ,too detached from those personal to you, easily disillusioned, naive.
I got all this info from Numerology-astrology.com