2⁸ × 19 × 53 × 83

Prime Factor Structure

Factorization String 2^8 × 19 × 53 × 83

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 46,357,920

Proper Divisor Sum 24,961,184

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #21396733 ← → #21396743

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

21,396,736 10,698,368 5,349,184 2,674,592 1,337,296 668,648 334,324 167,162 83,581 250,744 125,372 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

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