2 × 13 × 71 × 257

Prime Factor Structure

Factorization String 2 × 13 × 71 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 780,192

Proper Divisor Sum 305,770

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #474413 ← → #474433

1 2 13 26 71 142 257 514 923 1,846 3,341 6,682 18,247 36,494 237,211 474,422

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

474,422 237,211 711,634 355,817 1,067,452 533,726 266,863 800,590 400,295 1,200,886 600,443 1,801,330 900,665 2,701,996 1,350,998 675,499 2,026,498 1,013,249 3,039,748 1,519,874 759,937 2,279,812 1,139,906 569,953 1,709,860 854,930 427,465 1,282,396 641,198 320,599 961,798 480,899 1,442,698 721,349 2,164,048 1,082,024 541,012 270,506 135,253 405,760 202,880 101,440 50,720 25,360 12,680 6,340 3,170 1,585 4,756 2,378 1,189 3,568 1,784 892 446 223 670 335 1,006 503

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