2³ × 5 × 41 × 13043

Prime Factor Structure

Factorization String 2^3 × 5 × 41 × 13043

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 49,306,320

Proper Divisor Sum 27,915,800

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21390517 ← → #21390541

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

21,390,520 10,695,260 5,347,630 2,673,815 8,021,446 4,010,723 12,032,170 6,016,085 18,048,256 9,024,128 4,512,064 2,256,032 1,128,016 564,008 282,004 141,002 70,501 211,504 105,752 52,876 26,438 13,219 39,658 19,829 59,488 29,744 14,872 7,436 3,718 1,859 5,578 2,789 8,368 4,184 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71 214 107

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