3 × 5 × 13 × 17 × 6571

Prime Factor Structure

Factorization String 3 × 5 × 13 × 17 × 6571

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 39,747,456

Proper Divisor Sum 17,964,591

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21782861 ← → #21782869

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

21,782,865 65,348,596 32,674,298 16,337,149 49,011,448 24,505,724 12,252,862 6,126,431 18,379,294 9,189,647 27,568,942 13,784,471 41,353,414 20,676,707 62,030,122 31,015,061 93,045,184 46,522,592 23,261,296 11,630,648 5,815,324 2,907,662 1,453,831 4,361,494 2,180,747 6,542,242 3,271,121 9,813,364 4,906,682 2,453,341 7,360,024 3,680,012 1,840,006 920,003 2,760,010 1,380,005 4,140,016 2,070,008 1,035,004 517,502 258,751 776,254 388,127 1,164,382 582,191 1,746,574 873,287 2,619,862 1,309,931 3,929,794 1,964,897 5,894,692 2,947,346 1,473,673 4,421,020 2,210,510 1,105,255 3,315,766 1,657,883 4,973,650

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