2 × 3² × 19 × 73 × 857

Prime Factor Structure

Factorization String 2 × 3^2 × 19 × 73 × 857

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 49,523,760

Proper Divisor Sum 28,127,898

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21395861 ← → #21395863

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

21,395,862 10,697,931 32,093,794 16,046,897 48,140,692 24,070,346 12,035,173 36,105,520 18,052,760 9,026,380 4,513,190 2,256,595 6,769,786 3,384,893 10,154,680 5,077,340 2,538,670 1,269,335 3,808,006 1,904,003 5,712,010 2,856,005 8,568,016 4,284,008 2,142,004 1,071,002 535,501 1,606,504 803,252 401,626 200,813 602,440 301,220 150,610 75,305 225,916 112,958 56,479 169,438 84,719 254,158 127,079 381,238 190,619 571,858 285,929 857,788 428,894 214,447 643,342 321,671 965,014 482,507 1,447,522 723,761 2,171,284 1,085,642 542,821 1,628,464 814,232

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