3² × 53 × 59

Prime Factor Structure

Factorization String 3^2 × 53 × 59

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 42,120

Proper Divisor Sum 13,977

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #28123 ← → #28151

1 3 9 53 59 159 177 477 531 3,127 9,381 28,143

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

28,143 84,430 42,215 126,646 63,323 189,970 94,985 284,956 142,478 71,239 213,718 106,859 320,578 160,289 480,868 240,434 120,217 360,652 180,326 90,163 270,490 135,245 405,736 202,868 101,434 50,717 152,152 76,076 38,038 19,019 57,058 28,529 85,588 42,794 21,397 64,192 32,096 16,048 8,024 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073

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