3² × 7² × 2239

Prime Factor Structure

Factorization String 3^2 × 7^2 × 2239

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,659,840

Proper Divisor Sum 672,441

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #987391 ← → #987433

1 3 7 9 21 49 63 147 441 2,239 6,717 15,673 20,151 47,019 109,711 141,057 329,133 987,399

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

987,399 2,962,198 1,481,099 4,443,298 2,221,649 6,664,948 3,332,474 1,666,237 4,998,712 2,499,356 1,249,678 624,839 1,874,518 937,259 2,811,778 1,405,889 4,217,668 2,108,834 1,054,417 3,163,252 1,581,626 790,813 2,372,440 1,186,220 593,110 296,555 889,666 444,833 1,334,500 667,250 333,625 1,000,876 500,438 250,219 750,658 375,329 1,125,988 562,994 281,497 844,492 422,246 211,123 633,370 316,685 950,056 475,028 237,514 118,757 356,272 178,136 89,068 44,534 22,267 66,802 33,401 100,204 50,102 25,051 75,154 37,577

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