2³ × 5 × 607 × 881

Prime Factor Structure

Factorization String 2^3 × 5 × 607 × 881

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 48,263,040

Proper Divisor Sum 26,872,360

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21390673 ← → #21390727

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

21,390,680 10,695,340 5,347,670 2,673,835 8,021,506 4,010,753 12,032,260 6,016,130 3,008,065 9,024,196 4,512,098 2,256,049 6,768,148 3,384,074 1,692,037 5,076,112 2,538,056 1,269,028 634,514 317,257 951,772 475,886 237,943 713,830 356,915 1,070,746 535,373 1,606,120 803,060 401,530 200,765 602,296 301,148 150,574 75,287 225,862 112,931 338,794 169,397 508,192 254,096 127,048 63,524 31,762 15,881 47,644 23,822 11,911 35,734 17,867 53,602 26,801 80,404 40,202 20,101 60,304 30,152 15,076 7,538 3,769

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