Pagination is preserved in PDFs, even if the page numbering is complicated. > when you reflow page to fit the narrow screen, you can simply make the same page

Pagination is preserved in PDFs, even if the page numbering is complicated. > when you reflow page to fit the narrow screen, you can simply make the same page longer instead of splitying, then you can have your same single writer page number. You could do that, but IME, formats/apps besides PDF don't preserve pagination. Consistency across platforms, applications, etc. is hard.