<page_title> Perfect digit-to-digit invariant </page_title> <section_title> Tables of PDDIs </section_title> <table> <cell> 3435 <col_header> PDDIs (in that base) </col_header> </cell> <cell> 3435 <col_header> PDDIs (decimal representation) </col_header> </cell> </table>
An example of a PDDI is 3435.