3 × 7 × 19 × 1399

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1399

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 896,000

Proper Divisor Sum 337,799

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #558197 ← → #558203

1 3 7 19 21 57 133 399 1,399 4,197 9,793 26,581 29,379 79,743 186,067 558,201

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

558,201 1,674,604 837,302 418,651 1,255,954 627,977 1,883,932 941,966 470,983 1,412,950 706,475 2,119,426 1,059,713 3,179,140 1,589,570 794,785 2,384,356 1,192,178 596,089 1,788,268 894,134 447,067 1,341,202 670,601 2,011,804 1,005,902 502,951 1,508,854 754,427 2,263,282 1,131,641 3,394,924 1,697,462 848,731 2,546,194 1,273,097 3,819,292 1,909,646 954,823 2,864,470 1,432,235 4,296,706 2,148,353 6,445,060 3,222,530 1,611,265 4,833,796 2,416,898 1,208,449 3,625,348 1,812,674 906,337 2,719,012 1,359,506 679,753 2,039,260 1,019,630 509,815 1,529,446 764,723

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