21395791

Prime Factor Structure

Factorization String 21395791

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,395,792

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #21395783 ← → #21395821

1 21,395,791

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

21,395,791 64,187,374 32,093,687 96,281,062 48,140,531 144,421,594 72,210,797 216,632,392 108,316,196 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.