3 × 5 × 13 × 3307

Prime Factor Structure

Factorization String 3 × 5 × 13 × 3307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,111,488

Proper Divisor Sum 466,623

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #644863 ← → #644867

1 3 5 13 15 39 65 195 3,307 9,921 16,535 42,991 49,605 128,973 214,955 644,865

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

644,865 1,934,596 967,298 483,649 1,450,948 725,474 362,737 1,088,212 544,106 272,053 816,160 408,080 204,040 102,020 51,010 25,505 76,516 38,258 19,129 57,388 28,694 14,347 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270 1,135 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683

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