2 × 128389

Prime Factor Structure

Factorization String 2 × 128389

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 385,170

Proper Divisor Sum 128,392

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #256771 ← → #256799

1 2 128,389 256,778

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

256,778 128,389 385,168 192,584 96,292 48,146 24,073 72,220 36,110 18,055 54,166 27,083 81,250 40,625 121,876 60,938 30,469 91,408 45,704 22,852 11,426 5,713 17,140 8,570 4,285 12,856 6,428 3,214 1,607 4,822 2,411 7,234 3,617 10,852 5,426 2,713 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633

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