Are you looking for a lucky house with a lucky number? Are you happy in your present residence? Is your house number working against you? Try this little calculation and see whether or not you are suited to your present address. To calculate which number applies to a particular house or apartment, simply add all of the figures in that house number. For example, say your house number is 15, Houston Apartment, Fort, Mumbai. We add 1 & 5. The result is 6. Your personal number should be in harmony with your above house number which is 6.