2 × 321569

Prime Factor Structure

Factorization String 2 × 321569

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 964,710

Proper Divisor Sum 321,572

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #643129 ← → #643183

1 2 321,569 643,138

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

643,138 321,569 964,708 482,354 241,177 723,532 361,766 180,883 542,650 271,325 813,976 406,988 203,494 101,747 305,242 152,621 457,864 228,932 114,466 57,233 171,700 85,850 42,925 128,776 64,388 32,194 16,097 48,292 24,146 12,073 36,220 18,110 9,055 27,166 13,583 40,750 20,375 61,126 30,563 91,690 45,845 137,536 68,768 34,384 17,192 8,596 4,298 2,149 6,448 3,224 1,612 806 403 1,210 605 1,816 908 454 227 682

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