2 × 5 × 13 × 164581

Prime Factor Structure

Factorization String 2 × 5 × 13 × 164581

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 41,474,664

Proper Divisor Sum 20,079,134

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21395527 ← → #21395551

1 2 5 10 13 26 65 130 164,581 329,162 822,905 1,645,810 2,139,553 4,279,106 10,697,765 21,395,530

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

21,395,530 10,697,765 32,093,296 16,046,648 8,023,324 4,011,662 2,005,831 6,017,494 3,008,747 9,026,242 4,513,121 13,539,364 6,769,682 3,384,841 10,154,524 5,077,262 2,538,631 7,615,894 3,807,947 11,423,842 5,711,921 17,135,764 8,567,882 4,283,941 12,851,824 6,425,912 3,212,956 1,606,478 803,239 2,409,718 1,204,859 3,614,578 1,807,289 5,421,868 2,710,934 1,355,467 4,066,402 2,033,201 6,099,604 3,049,802 1,524,901 4,574,704 2,287,352 1,143,676 571,838 285,919 857,758 428,879 1,286,638 643,319 1,929,958 964,979 2,894,938 1,447,469 4,342,408 2,171,204 1,085,602 542,801 1,628,404 814,202

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