2 × 19 × 21589

Prime Factor Structure

Factorization String 2 × 19 × 21589

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,295,400

Proper Divisor Sum 475,018

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #820367 ← → #820399

1 2 19 38 21,589 43,178 410,191 820,382

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

820,382 410,191 1,230,574 615,287 1,845,862 922,931 2,768,794 1,384,397 4,153,192 2,076,596 1,038,298 519,149 1,557,448 778,724 389,362 194,681 584,044 292,022 146,011 438,034 219,017 657,052 328,526 164,263 492,790 246,395 739,186 369,593 1,108,780 554,390 277,195 831,586 415,793 1,247,380 623,690 311,845 935,536 467,768 233,884 116,942 58,471 175,414 87,707 263,122 131,561 394,684 197,342 98,671 296,014 148,007 444,022 222,011 666,034 333,017 999,052 499,526 249,763 749,290 374,645 1,123,936

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