2 × 13 × 19 × 1663

Prime Factor Structure

Factorization String 2 × 13 × 19 × 1663

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,397,760

Proper Divisor Sum 576,238

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #821519 ← → #821551

1 2 13 19 26 38 247 494 1,663 3,326 21,619 31,597 43,238 63,194 410,761 821,522

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

821,522 410,761 1,232,284 616,142 308,071 924,214 462,107 1,386,322 693,161 2,079,484 1,039,742 519,871 1,559,614 779,807 2,339,422 1,169,711 3,509,134 1,754,567 5,263,702 2,631,851 7,895,554 3,947,777 11,843,332 5,921,666 2,960,833 8,882,500 4,441,250 2,220,625 6,661,876 3,330,938 1,665,469 4,996,408 2,498,204 1,249,102 624,551 1,873,654 936,827 2,810,482 1,405,241 4,215,724 2,107,862 1,053,931 3,161,794 1,580,897 4,742,692 2,371,346 1,185,673 3,557,020 1,778,510 889,255 2,667,766 1,333,883 4,001,650 2,000,825 6,002,476 3,001,238 1,500,619 4,501,858 2,250,929 6,752,788

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