5 × 128189

Prime Factor Structure

Factorization String 5 × 128189

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 769,140

Proper Divisor Sum 128,195

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #640943 ← → #640949

1 5 128,189 640,945

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

640,945 1,922,836 961,418 480,709 1,442,128 721,064 360,532 180,266 90,133 270,400 135,200 67,600 33,800 16,900 8,450 4,225 12,676 6,338 3,169 9,508 4,754 2,377 7,132 3,566 1,783 5,350 2,675 8,026 4,013 12,040 6,020 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682

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