3 × 5 × 17 × 79

Prime Factor Structure

Factorization String 3 × 5 × 17 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 34,560

Proper Divisor Sum 14,415

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #20143 ← → #20147

1 3 5 15 17 51 79 85 237 255 395 1,185 1,343 4,029 6,715 20,145

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

20,145 60,436 30,218 15,109 45,328 22,664 11,332 5,666 2,833 8,500 4,250 2,125 6,376 3,188 1,594 797 2,392 1,196 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790

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