2 × 3 × 7 × 79 × 193

Prime Factor Structure

Factorization String 2 × 3 × 7 × 79 × 193

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,489,920

Proper Divisor Sum 849,546

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640369 ← → #640411

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

640,374 320,187 960,562 480,281 1,440,844 720,422 360,211 1,080,634 540,317 1,620,952 810,476 405,238 202,619 607,858 303,929 911,788 455,894 227,947 683,842 341,921 1,025,764 512,882 256,441 769,324 384,662 192,331 576,994 288,497 865,492 432,746 216,373 649,120 324,560 162,280 81,140 40,570 20,285 60,856 30,428 15,214 7,607 22,822 11,411 34,234 17,117 51,352 25,676 12,838 6,419 19,258 9,629 28,888 14,444 7,222 3,611 10,834 5,417 16,252 8,126 4,063

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