2² × 43 × 106781

Prime Factor Structure

Factorization String 2^2 × 43 × 106781

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 32,888,856

Proper Divisor Sum 14,522,524

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #18366311 ← → #18366347

1 2 4 43 86 172 106,781 213,562 427,124 4,591,583 9,183,166 18,366,332

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

18,366,332 9,183,166 4,591,583 13,774,750 6,887,375 20,662,126 10,331,063 30,993,190 15,496,595 46,489,786 23,244,893 69,734,680 34,867,340 17,433,670 8,716,835 26,150,506 13,075,253 39,225,760 19,612,880 9,806,440 4,903,220 2,451,610 1,225,805 3,677,416 1,838,708 919,354 459,677 1,379,032 689,516 344,758 172,379 517,138 258,569 775,708 387,854 193,927 581,782 290,891 872,674 436,337 1,309,012 654,506 327,253 981,760 490,880 245,440 122,720 61,360 30,680 15,340 7,670 3,835 11,506 5,753 17,260 8,630 4,315 12,946 6,473 19,420

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