13² × 3793

Prime Factor Structure

Factorization String 13^2 × 3793

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 694,302

Proper Divisor Sum 53,285

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640993 ← → #641051

1 13 169 3,793 49,309 641,017

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

641,017 1,923,052 961,526 480,763 1,442,290 721,145 2,163,436 1,081,718 540,859 1,622,578 811,289 2,433,868 1,216,934 608,467 1,825,402 912,701 2,738,104 1,369,052 684,526 342,263 1,026,790 513,395 1,540,186 770,093 2,310,280 1,155,140 577,570 288,785 866,356 433,178 216,589 649,768 324,884 162,442 81,221 243,664 121,832 60,916 30,458 15,229 45,688 22,844 11,422 5,711 17,134 8,567 25,702 12,851 38,554 19,277 57,832 28,916 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.