2² × 3² × 83 × 7159

Prime Factor Structure

Factorization String 2^2 × 3^2 × 83 × 7159

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 54,731,040

Proper Divisor Sum 33,339,948

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #21391091 ← → #21391129

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

21,391,092 10,695,546 5,347,773 16,043,320 8,021,660 4,010,830 2,005,415 6,016,246 3,008,123 9,024,370 4,512,185 13,536,556 6,768,278 3,384,139 10,152,418 5,076,209 15,228,628 7,614,314 3,807,157 11,421,472 5,710,736 2,855,368 1,427,684 713,842 356,921 1,070,764 535,382 267,691 803,074 401,537 1,204,612 602,306 301,153 903,460 451,730 225,865 677,596 338,798 169,399 508,198 254,099 762,298 381,149 1,143,448 571,724 285,862 142,931 428,794 214,397 643,192 321,596 160,798 80,399 241,198 120,599 361,798 180,899 542,698 271,349 814,048

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