5 × 19 × 31 × 71

Prime Factor Structure

Factorization String 5 × 19 × 31 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 276,480

Proper Divisor Sum 67,385

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #209089 ← → #209123

1 5 19 31 71 95 155 355 589 1,349 2,201 2,945 6,745 11,005 41,819 209,095

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

209,095 627,286 313,643 940,930 470,465 1,411,396 705,698 352,849 1,058,548 529,274 264,637 793,912 396,956 198,478 99,239 297,718 148,859 446,578 223,289 669,868 334,934 167,467 502,402 251,201 753,604 376,802 188,401 565,204 282,602 141,301 423,904 211,952 105,976 52,988 26,494 13,247 39,742 19,871 59,614 29,807 89,422 44,711 134,134 67,067 201,202 100,601 301,804 150,902 75,451 226,354 113,177 339,532 169,766 84,883 254,650 127,325 381,976 190,988 95,494 47,747

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