2⁴ × 5 × 7 × 19 × 2011

Prime Factor Structure

Factorization String 2^4 × 5 × 7 × 19 × 2011

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 80

Divisor Sum (σ) 59,877,120

Proper Divisor Sum 38,480,080

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21397009 ← → #21397043

1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 266 280 304 380 532 560 665 760 1,064 1,330 1,520 2,011 2,128 2,660 4,022 5,320 8,044 10,055 10,640 14,077 16,088 20,110 28,154 32,176 38,209 40,220 56,308 70,385 76,418 80,440 112,616 140,770 152,836 160,880 191,045

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

21,397,040 10,698,520 5,349,260 2,674,630 1,337,315 4,011,946 2,005,973 6,017,920 3,008,960 1,504,480 752,240 376,120 188,060 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

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