3 × 7 × 13 × 2371

Prime Factor Structure

Factorization String 3 × 7 × 13 × 2371

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,062,656

Proper Divisor Sum 415,373

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #647263 ← → #647293

1 3 7 13 21 39 91 273 2,371 7,113 16,597 30,823 49,791 92,469 215,761 647,283

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

647,283 1,941,850 970,925 2,912,776 1,456,388 728,194 364,097 1,092,292 546,146 273,073 819,220 409,610 204,805 614,416 307,208 153,604 76,802 38,401 115,204 57,602 28,801 86,404 43,202 21,601 64,804 32,402 16,201 48,604 24,302 12,151 36,454 18,227 54,682 27,341 82,024 41,012 20,506 10,253 30,760 15,380 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688

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