3 × 13 × 23 × 4421

Prime Factor Structure

Factorization String 3 × 13 × 23 × 4421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,943,168

Proper Divisor Sum 1,977,531

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3965629 ← → #3965639

1 3 13 23 39 69 299 897 4,421 13,263 57,473 101,683 172,419 305,049 1,321,879 3,965,637

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

3,965,637 11,896,912 5,948,456 2,974,228 1,487,114 743,557 2,230,672 1,115,336 557,668 278,834 139,417 418,252 209,126 104,563 313,690 156,845 470,536 235,268 117,634 58,817 176,452 88,226 44,113 132,340 66,170 33,085 99,256 49,628 24,814 12,407 37,222 18,611 55,834 27,917 83,752 41,876 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198

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