13 × 19 × 1609

Prime Factor Structure

Factorization String 13 × 19 × 1609

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 450,800

Proper Divisor Sum 53,377

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #397379 ← → #397427

1 13 19 247 1,609 20,917 30,571 397,423

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

397,423 1,192,270 596,135 1,788,406 894,203 2,682,610 1,341,305 4,023,916 2,011,958 1,005,979 3,017,938 1,508,969 4,526,908 2,263,454 1,131,727 3,395,182 1,697,591 5,092,774 2,546,387 7,639,162 3,819,581 11,458,744 5,729,372 2,864,686 1,432,343 4,297,030 2,148,515 6,445,546 3,222,773 9,668,320 4,834,160 2,417,080 1,208,540 604,270 302,135 906,406 453,203 1,359,610 679,805 2,039,416 1,019,708 509,854 254,927 764,782 382,391 1,147,174 573,587 1,720,762 860,381 2,581,144 1,290,572 645,286 322,643 967,930 483,965 1,451,896 725,948 362,974 181,487 544,462

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