7 × 13 × 17 × 257

Prime Factor Structure

Factorization String 7 × 13 × 17 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 520,128

Proper Divisor Sum 122,549

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #397567 ← → #397589

1 7 13 17 91 119 221 257 1,547 1,799 3,341 4,369 23,387 30,583 56,797 397,579

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

397,579 1,192,738 596,369 1,789,108 894,554 447,277 1,341,832 670,916 335,458 167,729 503,188 251,594 125,797 377,392 188,696 94,348 47,174 23,587 70,762 35,381 106,144 53,072 26,536 13,268 6,634 3,317 9,952 4,976 2,488 1,244 622 311 934 467 1,402 701 2,104 1,052 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425

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