WE TAKES ONLY 1 TO 9 NUMBERS IN NUMEROLOGY. IF A PERSON IS BORN ON 2nd, 11th, 20th, 29th DAY OF THE MONTH, HIS/HER BIRTH IS 2 (1+1=2, 2+0=2, 2+9=11=2). BIRTH NUMBER OF A PERSON IS ALSO CALLED HIS/HER 'PSYCHIC NUMBER' AND SUM NUMBER OF HIS/HER DATE OF BIRTH IS CALLED 'DESTINY NUMBER'.