3² × 7 × 10211

Prime Factor Structure

Factorization String 3^2 × 7 × 10211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,062,048

Proper Divisor Sum 418,755

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #643273 ← → #643301

1 3 7 9 21 63 10,211 30,633 71,477 91,899 214,431 643,293

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

643,293 1,929,880 964,940 482,470 241,235 723,706 361,853 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.