3 × 7 × 11 × 15991

Prime Factor Structure

Factorization String 3 × 7 × 11 × 15991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,140,928

Proper Divisor Sum 2,447,007

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3693883 ← → #3693953

1 3 7 11 21 33 77 231 15,991 47,973 111,937 175,901 335,811 527,703 1,231,307 3,693,921

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

3,693,921 11,081,764 5,540,882 2,770,441 8,311,324 4,155,662 2,077,831 6,233,494 3,116,747 9,350,242 4,675,121 14,025,364 7,012,682 3,506,341 10,519,024 5,259,512 2,629,756 1,314,878 657,439 1,972,318 986,159 2,958,478 1,479,239 4,437,718 2,218,859 6,656,578 3,328,289 9,984,868 4,992,434 2,496,217 7,488,652 3,744,326 1,872,163 5,616,490 2,808,245 8,424,736 4,212,368 2,106,184 1,053,092 526,546 263,273 789,820 394,910 197,455 592,366 296,183 888,550 444,275 1,332,826 666,413 1,999,240 999,620 499,810 249,905 749,716 374,858 187,429 562,288 281,144 140,572

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