3² × 5 × 397

Prime Factor Structure

Factorization String 3^2 × 5 × 397

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 31,044

Proper Divisor Sum 13,179

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #17863 ← → #17881

1 3 5 9 15 45 397 1,191 1,985 3,573 5,955 17,865

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

17,865 53,596 26,798 13,399 40,198 20,099 60,298 30,149 90,448 45,224 22,612 11,306 5,653 16,960 8,480 4,240 2,120 1,060 530 265 796 398 199 598 299 898 449 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

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