What is the personal social security number on the social security card?

In the middle of the social security card is the personal social security number. According to relevant information, there are three numbers on the front of the social security card, namely the social security number (i.e. the cardholder's ID number), the social security card number (i.e. the social security card number) and the social security card financial account number. On the front of the social security card, a set of English letters followed by numbers is the social security card number.