The growth of digital sums of powers of 2
Abstract
We give an elementary proof that the sum of the digits of 2n in base 10 is greater than 4 n. In particular, the limit of the sum of digits of 2n is infinite.
0
Turn this paper into a lesson
ArcXiv compiles a structured reading guide from this paper's metadata: plain-English importance, contributions, prerequisite concepts, which sections to read first, flashcards, and a quiz. Grounded in the abstract, never invented.