5 × 128257

Prime Factor Structure

Factorization String 5 × 128257

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 769,548

Proper Divisor Sum 128,263

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #641279 ← → #641287

1 5 128,257 641,285

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

641,285 1,923,856 961,928 480,964 240,482 120,241 360,724 180,362 90,181 270,544 135,272 67,636 33,818 16,909 50,728 25,364 12,682 6,341 19,024 9,512 4,756 2,378 1,189 3,568 1,784 892 446 223 670 335 1,006 503 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.