7 × 13 × 19661

Prime Factor Structure

Factorization String 7 × 13 × 19661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,202,144

Proper Divisor Sum 412,993

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1789093 ← → #1789153

1 7 13 91 19,661 137,627 255,593 1,789,151

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

1,789,151 5,367,454 2,683,727 8,051,182 4,025,591 12,076,774 6,038,387 18,115,162 9,057,581 27,172,744 13,586,372 6,793,186 3,396,593 10,189,780 5,094,890 2,547,445 7,642,336 3,821,168 1,910,584 955,292 477,646 238,823 716,470 358,235 1,074,706 537,353 1,612,060 806,030 403,015 1,209,046 604,523 1,813,570 906,785 2,720,356 1,360,178 680,089 2,040,268 1,020,134 510,067 1,530,202 765,101 2,295,304 1,147,652 573,826 286,913 860,740 430,370 215,185 645,556 322,778 161,389 484,168 242,084 121,042 60,521 181,564 90,782 45,391 136,174 68,087

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