3 × 13 × 19991

Prime Factor Structure

Factorization String 3 × 13 × 19991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,119,552

Proper Divisor Sum 339,903

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #779621 ← → #779657

1 3 13 39 19,991 59,973 259,883 779,649

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

779,649 2,338,948 1,169,474 584,737 1,754,212 877,106 438,553 1,315,660 657,830 328,915 986,746 493,373 1,480,120 740,060 370,030 185,015 555,046 277,523 832,570 416,285 1,248,856 624,428 312,214 156,107 468,322 234,161 702,484 351,242 175,621 526,864 263,432 131,716 65,858 32,929 98,788 49,394 24,697 74,092 37,046 18,523 55,570 27,785 83,356 41,678 20,839 62,518 31,259 93,778 46,889 140,668 70,334 35,167 105,502 52,751 158,254 79,127 237,382 118,691 356,074 178,037

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