Badulla Badu Numbers-------- _top_ Jun 2026

: All 1-digit numbers in any base ( b ) satisfy ( N = S^1 ).

None yield prime digit sums. So that fails. Badulla Badu Numbers--------

The story begins in 1923. A Sinhalese clerk named worked at a remote tea estate. Unlike his peers who tallied sacks of harvest in neat columns, Badu kept a second, hidden diary. In it, he wrote sequences of integers that seemed to defy logic. : All 1-digit numbers in any base ( b ) satisfy ( N = S^1 )