2² × 13 × 89 × 139

Prime Factor Structure

Factorization String 2^2 × 13 × 89 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,234,800

Proper Divisor Sum 591,508

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #643273 ← → #643301

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

643,292 321,646 160,823 482,470 241,235 723,706 361,853 1,085,560 542,780 271,390 135,695 407,086 203,543 610,630 305,315 915,946 457,973 1,373,920 686,960 343,480 171,740 85,870 42,935 128,806 64,403 193,210 96,605 289,816 144,908 72,454 36,227 108,682 54,341 163,024 81,512 40,756 20,378 10,189 30,568 15,284 7,642 3,821 11,464 5,732 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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