The ruling planet of number 1 is Sun while that of number 6 is Venus. A combination of these numbers makes a healthy and a long lasting relationship. People of number 1 are usually career oriented and independent. On the other hand, people of number 6 are generally caring, loving and responsible.
These two people are capable of great prosperity as long as they are together. People in a relationship with this combination should remember to give due credit to the other person whenever needed. This association is especially good for business partners.
Sometimes, there is struggle for power between people with this combination. People of number 6 want and need to be a caretaker. On the other hand, people of number 1 need to independent and unrestrained. This can be a good relationship if these people are able to understand each other and overcome this obstacle.