Badulla Badu Numbers--------

Then:

: Badulla is the capital city of the Uva Province and is situated approximately 230 km from Colombo. Badulla Badu Numbers--------

( L = 2 ): ( N = S^2 ), two digits, sum digits = ( S ). Try ( S=4 ) → ( N=16 ) sum=7 no; ( S=5 ) → 25 sum=7 no; ( S=6 ) → 36 sum=9 no; ( S=7 ) → 49 sum=13 no; ( S=8 ) → 64 sum=10 no; ( S=9 ) → 81 sum=9 → (8+1=9, 9^2=81). So 81 is a Badulla Badu number. Then: : Badulla is the capital city of

In Sri Lankan digital slang, particularly on social media platforms like TikTok, WhatsApp, and Telegram, is a colloquial, often derogatory, term used to refer to sex workers or for social companionship services. Therefore, "Badulla Badu Numbers" refers to the mobile phone numbers and contact lists of individuals offering these services in the Badulla district. So 81 is a Badulla Badu number