2² × 7 × 17 × 19 × 71

Prime Factor Structure

Factorization String 2^2 × 7 × 17 × 19 × 71

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,451,520

Proper Divisor Sum 809,396

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #642121 ← → #642133

1 2 4 7 14 17 19 28 34 38 68 71 76 119 133 142 238 266 284 323 476 497 532 646 994 1,207 1,292 1,349 1,988 2,261 2,414 2,698 4,522 4,828 5,396 8,449 9,044 9,443 16,898 18,886 22,933 33,796 37,772 45,866 91,732 160,531 321,062 642,124

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

642,124 321,062 160,531 481,594 240,797 722,392 361,196 180,598 90,299 270,898 135,449 406,348 203,174 101,587 304,762 152,381 457,144 228,572 114,286 57,143 171,430 85,715 257,146 128,573 385,720 192,860 96,430 48,215 144,646 72,323 216,970 108,485 325,456 162,728 81,364 40,682 20,341 61,024 30,512 15,256 7,628 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682

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