2³ × 7 × 11 × 47 × 739

Prime Factor Structure

Factorization String 2^3 × 7 × 11 × 47 × 739

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 51,148,800

Proper Divisor Sum 29,753,272

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21395527 ← → #21395551

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

21,395,528 10,697,764 5,348,882 2,674,441 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.