What do you mean by the last four digits of your ID card
4hw.org: in general, the ID card numbers of citizens in all provinces of China are composed of 18 Arabic numerals, but there are also quite a number of people who have an additional capital letter X after the end of their ID cards. What does this x mean? Do you know what the last four digits of your ID card mean? Let's solve this puzzle together!
It is believed that there are quite a large number of curious netizens with the number of X. some people say that the account number is wrong, some say it's a special group, and some even say it's hiding agents from all over the world
Well, let's not guess. Let's use the little editor to popularize the cold knowledge of ID card. The first two of ID cards represent provinces, the third and the fourth represent cities, and the last eight represent the date of birth. The next two are the sequence codes calculated randomly. If the tail number is 0-9, x will not appear, but if there are 10, the Roman numeral x, X is 10. That's why Keep the number of ID cards unchanged.