19 × 16921

Prime Factor Structure

Factorization String 19 × 16921

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 338,440

Proper Divisor Sum 16,941

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #321469 ← → #321509

1 19 16,921 321,499

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

321,499 964,498 482,249 1,446,748 723,374 361,687 1,085,062 542,531 1,627,594 813,797 2,441,392 1,220,696 610,348 305,174 152,587 457,762 228,881 686,644 343,322 171,661 514,984 257,492 128,746 64,373 193,120 96,560 48,280 24,140 12,070 6,035 18,106 9,053 27,160 13,580 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341

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