2³ × 19 × 4231

Prime Factor Structure

Factorization String 2^3 × 19 × 4231

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,269,600

Proper Divisor Sum 626,488

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #643099 ← → #643121

1 2 4 8 19 38 76 152 4,231 8,462 16,924 33,848 80,389 160,778 321,556 643,112

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

643,112 321,556 160,778 80,389 241,168 120,584 60,292 30,146 15,073 45,220 22,610 11,305 33,916 16,958 8,479 25,438 12,719 38,158 19,079 57,238 28,619 85,858 42,929 128,788 64,394 32,197 96,592 48,296 24,148 12,074 6,037 18,112 9,056 4,528 2,264 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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