3 × 5 × 7² × 19 × 23

Prime Factor Structure

Factorization String 3 × 5 × 7^2 × 19 × 23

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 656,640

Proper Divisor Sum 335,445

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #321193 ← → #321199

1 3 5 7 15 19 21 23 35 49 57 69 95 105 115 133 147 161 245 285 345 399 437 483 665 735 805 931 1,127 1,311 1,995 2,185 2,415 2,793 3,059 3,381 4,655 5,635 6,555 9,177 13,965 15,295 16,905 21,413 45,885 64,239 107,065 321,195

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

321,195 963,586 481,793 1,445,380 722,690 361,345 1,084,036 542,018 271,009 813,028 406,514 203,257 609,772 304,886 152,443 457,330 228,665 685,996 342,998 171,499 514,498 257,249 771,748 385,874 192,937 578,812 289,406 144,703 434,110 217,055 651,166 325,583 976,750 488,375 1,465,126 732,563 2,197,690 1,098,845 3,296,536 1,648,268 824,134 412,067 1,236,202 618,101 1,854,304 927,152 463,576 231,788 115,894 57,947 173,842 86,921 260,764 130,382 65,191 195,574 97,787 293,362 146,681 440,044

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