The number of digits in Minsheng Bank’s card numbers varies depending on the card type. For debit cards and UnionPay credit cards, their card numbers are usually 16 digits, which conforms to international standards and facilitates transactions and identification around the world. In terms of credit cards, the numbers at the beginning of different brands of credit cards issued by China Minsheng Bank will be different. For example, MasterCard credit cards begin with 5, VISA credit cards begin with 4, and some high-end platinum cards may begin with 3. These digital identifications are helpful. Distinguish between different credit card networks and levels. In addition to debit cards and credit cards, Minsheng Bank’s other account types also have different card number digits. The account numbers of current and regular passbooks and ordinary passbooks are usually 12 digits. This design is both simple and easy to remember. The number of digits in the public account number may be more diverse, with different lengths such as 9 digits, 16 digits or 20 digits to adapt to the needs of different corporate businesses. Time deposit certificate account numbers are generally 20 digits. This length not only ensures the uniqueness of the account number, but also facilitates the bank's internal management. In general, the design of the card number digits for various Minsheng Bank accounts takes into account the balance between business needs and user experience, which is not only convenient for customers to remember and use, but also complies with industry standards.