13 × 19 × 71

Prime Factor Structure

Factorization String 13 × 19 × 71

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 20,160

Proper Divisor Sum 2,623

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #17519 ← → #17539

1 13 19 71 247 923 1,349 17,537

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

17,537 52,612 26,306 13,153 39,460 19,730 9,865 29,596 14,798 7,399 22,198 11,099 33,298 16,649 49,948 24,974 12,487 37,462 18,731 56,194 28,097 84,292 42,146 21,073 63,220 31,610 15,805 47,416 23,708 11,854 5,927 17,782 8,891 26,674 13,337 40,012 20,006 10,003 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028 8,014 4,007

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