+A **repdigit** is a natural [number](/wiki/number) composed of repeated identical [digits](/wiki/digit), such as 11, 333, or 77777. These intriguing numbers offer unique insights into mathematical patterns and divisibility.
+## See also
+- [Palindromic Number](/wiki/palindromic_number)
+- [Prime Number](/wiki/prime_number)
+- [Divisibility Rule](/wiki/divisibility_rule)
... 1 more lines