2 × 3² × 5 × 13 × 18287

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 13 × 18287

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 59,911,488

Proper Divisor Sum 38,515,698

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21395783 ← → #21395791

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

21,395,790 10,697,895 32,093,686 16,046,843 48,140,530 24,070,265 72,210,796 36,105,398 18,052,699 54,158,098 27,079,049 81,237,148 40,618,574 20,309,287 60,927,862 30,463,931 91,391,794 45,695,897 137,087,692 68,543,846 34,271,923 102,815,770 51,407,885 154,223,656 77,111,828 38,555,914 19,277,957 57,833,872 28,916,936 14,458,468 7,229,234 3,614,617 10,843,852 5,421,926 2,710,963 8,132,890 4,066,445 12,199,336 6,099,668 3,049,834 1,524,917 4,574,752 2,287,376 1,143,688 571,844 285,922 142,961 428,884 214,442 107,221 321,664 160,832 80,416 40,208 20,104 10,052 5,026 2,513 7,540 3,770

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