2 × 11 × 31 × 1009

Prime Factor Structure

Factorization String 2 × 11 × 31 × 1009

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,163,520

Proper Divisor Sum 475,382

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #688133 ← → #688139

1 2 11 22 31 62 341 682 1,009 2,018 11,099 22,198 31,279 62,558 344,069 688,138

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

688,138 344,069 1,032,208 516,104 258,052 129,026 64,513 193,540 96,770 48,385 145,156 72,578 36,289 108,868 54,434 27,217 81,652 40,826 20,413 61,240 30,620 15,310 7,655 22,966 11,483 34,450 17,225 51,676 25,838 12,919 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242

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