Numbers satisfying all three are extraordinarily rare. As of this writing, only four are known:
The phrase "Badulla Badu Numbers" typically refers to directories or social media posts (often on platforms like
in Sri Lanka are evolving to handle this kind of online harassment?
The sum of the digits of ( N ), raised to the power of the number of digits of ( N ), equals ( N ) itself.
The repeating cycle is the . The numbers within that pair — typically small integers like (2, 3) or (4, 5) — are the "Badulla Badu Numbers" for that starting point.