What types of memory do people have?

I'm hoping someone out there can give me some insight. I would say I have a normal memory, not forgetful but not eidetic, pretty much bang in between. Although, my friend pointed out to me recently that I seem to remember very small details perfectly, minor irrelevant things like my NI number, passport number, wifi password, driver license number, my 3 16 digit bank card numbers... I didn't think that was anything special? All of those are important things to remember. I find that if I read something a few times and focus on it, I'll remember it permanently. But that's just called memorising something, isn't it?

Thanks for your time.
What types of memory do people have?
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