2⁴ × 131 × 307

Prime Factor Structure

Factorization String 2^4 × 131 × 307

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,260,336

Proper Divisor Sum 616,864

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #643469 ← → #643493

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

643,472 321,736 160,868 80,434 40,217 120,652 60,326 30,163 90,490 45,245 135,736 67,868 33,934 16,967 50,902 25,451 76,354 38,177 114,532 57,266 28,633 85,900 42,950 21,475 64,426 32,213 96,640 48,320 24,160 12,080 6,040 3,020 1,510 755 2,266 1,133 3,400 1,700 850 425 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.