3 × 5 × 7 × 199

Prime Factor Structure

Factorization String 3 × 5 × 7 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 38,400

Proper Divisor Sum 17,505

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #20887 ← → #20897

1 3 5 7 15 21 35 105 199 597 995 1,393 2,985 4,179 6,965 20,895

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

20,895 62,686 31,343 94,030 47,015 141,046 70,523 211,570 105,785 317,356 158,678 79,339 238,018 119,009 357,028 178,514 89,257 267,772 133,886 66,943 200,830 100,415 301,246 150,623 451,870 225,935 677,806 338,903 1,016,710 508,355 1,525,066 762,533 2,287,600 1,143,800 571,900 285,950 142,975 428,926 214,463 643,390 321,695 965,086 482,543 1,447,630 723,815 2,171,446 1,085,723 3,257,170 1,628,585 4,885,756 2,442,878 1,221,439 3,664,318 1,832,159 5,496,478 2,748,239 8,244,718 4,122,359 12,367,078 6,183,539

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