19² × 1187

Prime Factor Structure

Factorization String 19^2 × 1187

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 452,628

Proper Divisor Sum 24,121

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #428503 ← → #428509

1 19 361 1,187 22,553 428,507

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

428,507 1,285,522 642,761 1,928,284 964,142 482,071 1,446,214 723,107 2,169,322 1,084,661 3,253,984 1,626,992 813,496 406,748 203,374 101,687 305,062 152,531 457,594 228,797 686,392 343,196 171,598 85,799 257,398 128,699 386,098 193,049 579,148 289,574 144,787 434,362 217,181 651,544 325,772 162,886 81,443 244,330 122,165 366,496 183,248 91,624 45,812 22,906 11,453 34,360 17,180 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312

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