389 × 18521

Prime Factor Structure

Factorization String 389 × 18521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 7,223,580

Proper Divisor Sum 18,911

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #7204621 ← → #7204697

1 389 18,521 7,204,669

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

7,204,669 21,614,008 10,807,004 5,403,502 2,701,751 8,105,254 4,052,627 12,157,882 6,078,941 18,236,824 9,118,412 4,559,206 2,279,603 6,838,810 3,419,405 10,258,216 5,129,108 2,564,554 1,282,277 3,846,832 1,923,416 961,708 480,854 240,427 721,282 360,641 1,081,924 540,962 270,481 811,444 405,722 202,861 608,584 304,292 152,146 76,073 228,220 114,110 57,055 171,166 85,583 256,750 128,375 385,126 192,563 577,690 288,845 866,536 433,268 216,634 108,317 324,952 162,476 81,238 40,619 121,858 60,929 182,788 91,394 45,697

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