13 × 19 × 67 × 239

Prime Factor Structure

Factorization String 13 × 19 × 67 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,569,600

Proper Divisor Sum 614,389

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3955187 ← → #3955243

1 13 19 67 239 247 871 1,273 3,107 4,541 16,013 16,549 59,033 208,169 304,247 3,955,211

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

3,955,211 11,865,634 5,932,817 17,798,452 8,899,226 4,449,613 13,348,840 6,674,420 3,337,210 1,668,605 5,005,816 2,502,908 1,251,454 625,727 1,877,182 938,591 2,815,774 1,407,887 4,223,662 2,111,831 6,335,494 3,167,747 9,503,242 4,751,621 14,254,864 7,127,432 3,563,716 1,781,858 890,929 2,672,788 1,336,394 668,197 2,004,592 1,002,296 501,148 250,574 125,287 375,862 187,931 563,794 281,897 845,692 422,846 211,423 634,270 317,135 951,406 475,703 1,427,110 713,555 2,140,666 1,070,333 3,211,000 1,605,500 802,750 401,375 1,204,126 602,063 1,806,190 903,095

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