Easy to remember
It’s always helpful when numbers have a pattern, such as PIN codes, locker combinations, and addresses. It’s best to have some system in place to assist you in recalling the number exactly whenever you must commit a sequence of digits to memory.
I believe that his friend was envious of his fantastic address. If your house number is 1234, you don’t have to worry too much if you forget it! His pals were astonished that he had such a primary, sequential address. It is said that he also resided on 5th Street.