3 × 7 × 17 × 443

Prime Factor Structure

Factorization String 3 × 7 × 17 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 255,744

Proper Divisor Sum 97,593

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #158143 ← → #158161

1 3 7 17 21 51 119 357 443 1,329 3,101 7,531 9,303 22,593 52,717 158,151

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

158,151 474,454 237,227 711,682 355,841 1,067,524 533,762 266,881 800,644 400,322 200,161 600,484 300,242 150,121 450,364 225,182 112,591 337,774 168,887 506,662 253,331 759,994 379,997 1,139,992 569,996 284,998 142,499 427,498 213,749 641,248 320,624 160,312 80,156 40,078 20,039 60,118 30,059 90,178 45,089 135,268 67,634 33,817 101,452 50,726 25,363 76,090 38,045 114,136 57,068 28,534 14,267 42,802 21,401 64,204 32,102 16,051 48,154 24,077 72,232 36,116

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