13 × 19 × 15991

Prime Factor Structure

Factorization String 13 × 19 × 15991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,477,760

Proper Divisor Sum 527,983

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #3949733 ← → #3949793

1 13 19 247 15,991 207,883 303,829 3,949,777

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

3,949,777 11,849,332 5,924,666 2,962,333 8,887,000 4,443,500 2,221,750 1,110,875 3,332,626 1,666,313 4,998,940 2,499,470 1,249,735 3,749,206 1,874,603 5,623,810 2,811,905 8,435,716 4,217,858 2,108,929 6,326,788 3,163,394 1,581,697 4,745,092 2,372,546 1,186,273 3,558,820 1,779,410 889,705 2,669,116 1,334,558 667,279 2,001,838 1,000,919 3,002,758 1,501,379 4,504,138 2,252,069 6,756,208 3,378,104 1,689,052 844,526 422,263 1,266,790 633,395 1,900,186 950,093 2,850,280 1,425,140 712,570 356,285 1,068,856 534,428 267,214 133,607 400,822 200,411 601,234 300,617 901,852

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