2 × 23² × 18911

Prime Factor Structure

Factorization String 2 × 23^2 × 18911

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 31,375,008

Proper Divisor Sum 11,367,170

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20007811 ← → #20007847

1 2 23 46 529 1,058 18,911 37,822 434,953 869,906 10,003,919 20,007,838

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

20,007,838 10,003,919 30,011,758 15,005,879 45,017,638 22,508,819 67,526,458 33,763,229 101,289,688 50,644,844 25,322,422 12,661,211 37,983,634 18,991,817 56,975,452 28,487,726 14,243,863 42,731,590 21,365,795 64,097,386 32,048,693 96,146,080 48,073,040 24,036,520 12,018,260 6,009,130 3,004,565 9,013,696 4,506,848 2,253,424 1,126,712 563,356 281,678 140,839 422,518 211,259 633,778 316,889 950,668 475,334 237,667 713,002 356,501 1,069,504 534,752 267,376 133,688 66,844 33,422 16,711 50,134 25,067 75,202 37,601 112,804 56,402 28,201 84,604 42,302 21,151

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