Notes

Chapter 4: Systems Based on Numbers

Section 4: The Sequence of Primes


Divisors

The picture below shows as black squares the divisors of each successive number (which correspond to the gray dots in the picture in the main text). Primes have divisors 1 and n only. (See also pages 902 and 747.)



Image Source Notebooks:

From Stephen Wolfram: A New Kind of Science [citation]