2 × 7 × 43 × 47 × 727

Prime Factor Structure

Factorization String 2 × 7 × 43 × 47 × 727

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 36,900,864

Proper Divisor Sum 16,331,126

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #20569727 ← → #20569811

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

20,569,738 10,284,869 30,854,608 15,427,304 7,713,652 3,856,826 1,928,413 5,785,240 2,892,620 1,446,310 723,155 2,169,466 1,084,733 3,254,200 1,627,100 813,550 406,775 1,220,326 610,163 1,830,490 915,245 2,745,736 1,372,868 686,434 343,217 1,029,652 514,826 257,413 772,240 386,120 193,060 96,530 48,265 144,796 72,398 36,199 108,598 54,299 162,898 81,449 244,348 122,174 61,087 183,262 91,631 274,894 137,447 412,342 206,171 618,514 309,257 927,772 463,886 231,943 695,830 347,915 1,043,746 521,873 1,565,620 782,810

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