3 × 7 × 13 × 10391

Prime Factor Structure

Factorization String 3 × 7 × 13 × 10391

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,655,616

Proper Divisor Sum 1,818,873

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2836741 ← → #2836747

1 3 7 13 21 39 91 273 10,391 31,173 72,737 135,083 218,211 405,249 945,581 2,836,743

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

2,836,743 8,510,230 4,255,115 12,765,346 6,382,673 19,148,020 9,574,010 4,787,005 14,361,016 7,180,508 3,590,254 1,795,127 5,385,382 2,692,691 8,078,074 4,039,037 12,117,112 6,058,556 3,029,278 1,514,639 4,543,918 2,271,959 6,815,878 3,407,939 10,223,818 5,111,909 15,335,728 7,667,864 3,833,932 1,916,966 958,483 2,875,450 1,437,725 4,313,176 2,156,588 1,078,294 539,147 1,617,442 808,721 2,426,164 1,213,082 606,541 1,819,624 909,812 454,906 227,453 682,360 341,180 170,590 85,295 255,886 127,943 383,830 191,915 575,746 287,873 863,620 431,810 215,905 647,716

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