2 × 3² × 17 × 69931

Prime Factor Structure

Factorization String 2 × 3^2 × 17 × 69931

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 49,092,264

Proper Divisor Sum 27,693,378

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #21398873 ← → #21398899

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

21,398,886 10,699,443 32,098,330 16,049,165 48,147,496 24,073,748 12,036,874 6,018,437 18,055,312 9,027,656 4,513,828 2,256,914 1,128,457 3,385,372 1,692,686 846,343 2,539,030 1,269,515 3,808,546 1,904,273 5,712,820 2,856,410 1,428,205 4,284,616 2,142,308 1,071,154 535,577 1,606,732 803,366 401,683 1,205,050 602,525 1,807,576 903,788 451,894 225,947 677,842 338,921 1,016,764 508,382 254,191 762,574 381,287 1,143,862 571,931 1,715,794 857,897 2,573,692 1,286,846 643,423 1,930,270 965,135 2,895,406 1,447,703 4,343,110 2,171,555 6,514,666 3,257,333 9,772,000 4,886,000

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