2² × 5 × 21157

Prime Factor Structure

Factorization String 2^2 × 5 × 21157

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 888,636

Proper Divisor Sum 465,496

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #423133 ← → #423173

1 2 4 5 10 20 21,157 42,314 84,628 105,785 211,570 423,140

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

423,140 211,570 105,785 317,356 158,678 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 18,550,618 9,275,309 27,825,928 13,912,964 6,956,482 3,478,241

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