3 × 7 × 43 × 421

Prime Factor Structure

Factorization String 3 × 7 × 43 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 594,176

Proper Divisor Sum 214,013

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #380147 ← → #380179

1 3 7 21 43 129 301 421 903 1,263 2,947 8,841 18,103 54,309 126,721 380,163

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

380,163 1,140,490 570,245 1,710,736 855,368 427,684 213,842 106,921 320,764 160,382 80,191 240,574 120,287 360,862 180,431 541,294 270,647 811,942 405,971 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

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