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It's official -- Prince William and Kate Middleton are off the market! And now that the epic royal wedding has passed and Prince William and the new Princess Catherine have embarked on their life together, we're running the numbers on these two regal lovebirds for a deeper look at their relationship's compatibility.

Communication quandaries

First thing's first: the most important number in any Numerology chart is a person's Life Path number. Prince William's Life Path is an 11, a Master number, while Kate's is a 3.

The combination of 11 and 3 is actually a very passionate and strong one. However, the emotional sensitivity embodied by the 11 combined with the impulsive communication style of the 3 may very well provide some bumps in the road.

As an 11, William may not be the best at handling criticism and confrontation, preferring to withdraw or walk away rather than deal with an issue head-on. Kate's 3 enables her to let criticism roll off her more easily, but she may also be prone to speaking before she thinks, making flippant comments that are no big deal to her, but strike William's sensitive chord. Kate must be careful to keep her verbal impulses under control and William must rely on his self-confidence to handle occasional criticisms. Beauty and love certainly lie at the bottom of William and Kate's relationship, and it's completely in their own hands to either destroy or strengthen this loving foundation.

Syncing up for humanity

William and Kate's 9 and 6 Expression numbers are quite compatible, focusing each of their attentions on the needs of others -- both those close to them and humanity as a whole. The 9 and 6 Expression numbers make William and Kate generous and caring people -- which we've seen from them on countless occasions -- with similar motivations and approaches to politics and values.

Yes, the 9 Expression can be arrogant and self-righteous, and Kate's 6 Expression can become intolerant and angry for no reason, but the darker sides of these numbers are rarely displayed, and the 9 and 6 Expression combination is still certainly one of the best number combinations around.