19 × 21139

Prime Factor Structure

Factorization String 19 × 21139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 422,800

Proper Divisor Sum 21,159

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #401629 ← → #401651

1 19 21,139 401,641

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

401,641 1,204,924 602,462 301,231 903,694 451,847 1,355,542 677,771 2,033,314 1,016,657 3,049,972 1,524,986 762,493 2,287,480 1,143,740 571,870 285,935 857,806 428,903 1,286,710 643,355 1,930,066 965,033 2,895,100 1,447,550 723,775 2,171,326 1,085,663 3,256,990 1,628,495 4,885,486 2,442,743 7,328,230 3,664,115 10,992,346 5,496,173 16,488,520 8,244,260 4,122,130 2,061,065 6,183,196 3,091,598 1,545,799 4,637,398 2,318,699 6,956,098 3,478,049 10,434,148 5,217,074 2,608,537 7,825,612 3,912,806 1,956,403 5,869,210 2,934,605 8,803,816 4,401,908 2,200,954 1,100,477 3,301,432

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