3 × 213649

Prime Factor Structure

Factorization String 3 × 213649

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 854,600

Proper Divisor Sum 213,653

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #640943 ← → #640949

1 3 213,649 640,947

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

640,947 1,922,842 961,421 2,884,264 1,442,132 721,066 360,533 1,081,600 540,800 270,400 135,200 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.