2 × 13 × 439 × 1579

Prime Factor Structure

Factorization String 2 × 13 × 439 × 1579

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 29,198,400

Proper Divisor Sum 11,175,694

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #18022691 ← → #18022727

1 2 13 26 439 878 1,579 3,158 5,707 11,414 20,527 41,054 693,181 1,386,362 9,011,353 18,022,706

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

18,022,706 9,011,353 27,034,060 13,517,030 6,758,515 20,275,546 10,137,773 30,413,320 15,206,660 7,603,330 3,801,665 11,404,996 5,702,498 2,851,249 8,553,748 4,276,874 2,138,437 6,415,312 3,207,656 1,603,828 801,914 400,957 1,202,872 601,436 300,718 150,359 451,078 225,539 676,618 338,309 1,014,928 507,464 253,732 126,866 63,433 190,300 95,150 47,575 142,726 71,363 214,090 107,045 321,136 160,568 80,284 40,142 20,071 60,214 30,107 90,322 45,161 135,484 67,742 33,871 101,614 50,807 152,422 76,211 228,634 114,317

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