2 × 320483

Prime Factor Structure

Factorization String 2 × 320483

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 961,452

Proper Divisor Sum 320,486

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #640963 ← → #640967

1 2 320,483 640,966

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

640,966 320,483 961,450 480,725 1,442,176 721,088 360,544 180,272 90,136 45,068 22,534 11,267 33,802 16,901 50,704 25,352 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.