3 × 17² × 23 × 29 × 37

Prime Factor Structure

Factorization String 3 × 17^2 × 23 × 29 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 33,598,080

Proper Divisor Sum 12,201,387

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21396691 ← → #21396701

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

21,396,693 64,190,080 32,095,040 16,047,520 8,023,760 4,011,880 2,005,940 1,002,970 501,485 1,504,456 752,228 376,114 188,057 564,172 282,086 141,043 423,130 211,565 634,696 317,348 158,674 79,337 238,012 119,006 59,503 178,510 89,255 267,766 133,883 401,650 200,825 602,476 301,238 150,619 451,858 225,929 677,788 338,894 169,447 508,342 254,171 762,514 381,257 1,143,772 571,886 285,943 857,830 428,915 1,286,746 643,373 1,930,120 965,060 482,530 241,265 723,796 361,898 180,949 542,848 271,424 135,712

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