3 × 5 × 19 × 1997

Prime Factor Structure

Factorization String 3 × 5 × 19 × 1997

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 959,040

Proper Divisor Sum 389,895

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #569141 ← → #569159

1 3 5 15 19 57 95 285 1,997 5,991 9,985 29,955 37,943 113,829 189,715 569,145

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

569,145 1,707,436 853,718 426,859 1,280,578 640,289 1,920,868 960,434 480,217 1,440,652 720,326 360,163 1,080,490 540,245 1,620,736 810,368 405,184 202,592 101,296 50,648 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 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602

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