13 × 216289

Prime Factor Structure

Factorization String 13 × 216289

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,028,060

Proper Divisor Sum 216,303

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2811719 ← → #2811761

1 13 216,289 2,811,757

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

2,811,757 8,435,272 4,217,636 2,108,818 1,054,409 3,163,228 1,581,614 790,807 2,372,422 1,186,211 3,558,634 1,779,317 5,337,952 2,668,976 1,334,488 667,244 333,622 166,811 500,434 250,217 750,652 375,326 187,663 562,990 281,495 844,486 422,243 1,266,730 633,365 1,900,096 950,048 475,024 237,512 118,756 59,378 29,689 89,068 44,534 22,267 66,802 33,401 100,204 50,102 25,051 75,154 37,577 112,732 56,366 28,183 84,550 42,275 126,826 63,413 190,240 95,120 47,560 23,780 11,890 5,945 17,836

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