RSS
Rotational Years
Problem
If you write the year using the digits 
, the year 
was a special year because it read the same upside-down. How many years since the birth of Christ have had this property?
Problem ID: 41 (Apr 2001) Difficulty: 1 Star
If you write the year using the digits , the year was a special year because it read the same upside-down. How many years since the birth of Christ have had this property?
Show Solution
Hide Solution