3 × 7 × 19 × 1217

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1217

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 779,520

Proper Divisor Sum 293,937

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #485567 ← → #485587

1 3 7 19 21 57 133 399 1,217 3,651 8,519 23,123 25,557 69,369 161,861 485,583

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

485,583 1,456,750 728,375 2,185,126 1,092,563 3,277,690 1,638,845 4,916,536 2,458,268 1,229,134 614,567 1,843,702 921,851 2,765,554 1,382,777 4,148,332 2,074,166 1,037,083 3,111,250 1,555,625 4,666,876 2,333,438 1,166,719 3,500,158 1,750,079 5,250,238 2,625,119 7,875,358 3,937,679 11,813,038 5,906,519 17,719,558 8,859,779 26,579,338 13,289,669 39,869,008 19,934,504 9,967,252 4,983,626 2,491,813 7,475,440 3,737,720 1,868,860 934,430 467,215 1,401,646 700,823 2,102,470 1,051,235 3,153,706 1,576,853 4,730,560 2,365,280 1,182,640 591,320 295,660 147,830 73,915 221,746 110,873

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