13 × 23 × 31 × 43

Prime Factor Structure

Factorization String 13 × 23 × 31 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 473,088

Proper Divisor Sum 74,521

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #398557 ← → #398569

1 13 23 31 43 299 403 559 713 989 1,333 9,269 12,857 17,329 30,659 398,567

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

398,567 1,195,702 597,851 1,793,554 896,777 2,690,332 1,345,166 672,583 2,017,750 1,008,875 3,026,626 1,513,313 4,539,940 2,269,970 1,134,985 3,404,956 1,702,478 851,239 2,553,718 1,276,859 3,830,578 1,915,289 5,745,868 2,872,934 1,436,467 4,309,402 2,154,701 6,464,104 3,232,052 1,616,026 808,013 2,424,040 1,212,020 606,010 303,005 909,016 454,508 227,254 113,627 340,882 170,441 511,324 255,662 127,831 383,494 191,747 575,242 287,621 862,864 431,432 215,716 107,858 53,929 161,788 80,894 40,447 121,342 60,671 182,014 91,007

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