3 × 13 × 89 × 523

Prime Factor Structure

Factorization String 3 × 13 × 89 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,640,960

Proper Divisor Sum 825,627

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1815323 ← → #1815337

1 3 13 39 89 267 523 1,157 1,569 3,471 6,799 20,397 46,547 139,641 605,111 1,815,333

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

1,815,333 5,446,000 2,723,000 1,361,500 680,750 340,375 1,021,126 510,563 1,531,690 765,845 2,297,536 1,148,768 574,384 287,192 143,596 71,798 35,899 107,698 53,849 161,548 80,774 40,387 121,162 60,581 181,744 90,872 45,436 22,718 11,359 34,078 17,039 51,118 25,559 76,678 38,339 115,018 57,509 172,528 86,264 43,132 21,566 10,783 32,350 16,175 48,526 24,263 72,790 36,395 109,186 54,593 163,780 81,890 40,945 122,836 61,418 30,709 92,128 46,064 23,032 11,516

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