19 × 401 × 421

Prime Factor Structure

Factorization String 19 × 401 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,392,880

Proper Divisor Sum 185,281

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3207587 ← → #3207623

1 19 401 421 7,619 7,999 168,821 3,207,599

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

3,207,599 9,622,798 4,811,399 14,434,198 7,217,099 21,651,298 10,825,649 32,476,948 16,238,474 8,119,237 24,357,712 12,178,856 6,089,428 3,044,714 1,522,357 4,567,072 2,283,536 1,141,768 570,884 285,442 142,721 428,164 214,082 107,041 321,124 160,562 80,281 240,844 120,422 60,211 180,634 90,317 270,952 135,476 67,738 33,869 101,608 50,804 25,402 12,701 38,104 19,052 9,526 4,763 14,290 7,145 21,436 10,718 5,359 16,078 8,039 24,118 12,059 36,178 18,089 54,268 27,134 13,567 40,702 20,351

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