3² × 13 × 53 × 71

Prime Factor Structure

Factorization String 3^2 × 13 × 53 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 707,616

Proper Divisor Sum 267,345

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #440269 ← → #440281

1 3 9 13 39 53 71 117 159 213 477 639 689 923 2,067 2,769 3,763 6,201 8,307 11,289 33,867 48,919 146,757 440,271

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

440,271 1,320,814 660,407 1,981,222 990,611 2,971,834 1,485,917 4,457,752 2,228,876 1,114,438 557,219 1,671,658 835,829 2,507,488 1,253,744 626,872 313,436 156,718 78,359 235,078 117,539 352,618 176,309 528,928 264,464 132,232 66,116 33,058 16,529 49,588 24,794 12,397 37,192 18,596 9,298 4,649 13,948 6,974 3,487 10,462 5,231 15,694 7,847 23,542 11,771 35,314 17,657 52,972 26,486 13,243 39,730 19,865 59,596 29,798 14,899 44,698 22,349 67,048 33,524 16,762

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