3 × 7 × 23 × 20407

Prime Factor Structure

Factorization String 3 × 7 × 23 × 20407

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 15,673,344

Proper Divisor Sum 5,816,763

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #9856579 ← → #9856591

1 3 7 21 23 69 161 483 20,407 61,221 142,849 428,547 469,361 1,408,083 3,285,527 9,856,581

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

9,856,581 29,569,744 14,784,872 7,392,436 3,696,218 1,848,109 5,544,328 2,772,164 1,386,082 693,041 2,079,124 1,039,562 519,781 1,559,344 779,672 389,836 194,918 97,459 292,378 146,189 438,568 219,284 109,642 54,821 164,464 82,232 41,116 20,558 10,279 30,838 15,419 46,258 23,129 69,388 34,694 17,347 52,042 26,021 78,064 39,032 19,516 9,758 4,879 14,638 7,319 21,958 10,979 32,938 16,469 49,408 24,704 12,352 6,176 3,088 1,544 772 386 193 580 290

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