3 × 7 × 17 × 599

Prime Factor Structure

Factorization String 3 × 7 × 17 × 599

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 345,600

Proper Divisor Sum 131,757

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #213833 ← → #213847

1 3 7 17 21 51 119 357 599 1,797 4,193 10,183 12,579 30,549 71,281 213,843

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

213,843 641,530 320,765 962,296 481,148 240,574 120,287 360,862 180,431 541,294 270,647 811,942 405,971 1,217,914 608,957 1,826,872 913,436 456,718 228,359 685,078 342,539 1,027,618 513,809 1,541,428 770,714 385,357 1,156,072 578,036 289,018 144,509 433,528 216,764 108,382 54,191 162,574 81,287 243,862 121,931 365,794 182,897 548,692 274,346 137,173 411,520 205,760 102,880 51,440 25,720 12,860 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140

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