640249

Prime Factor Structure

Factorization String 640249

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 640,250

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #640247 ← → #640259

1 640,249

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

640,249 1,920,748 960,374 480,187 1,440,562 720,281 2,160,844 1,080,422 540,211 1,620,634 810,317 2,430,952 1,215,476 607,738 303,869 911,608 455,804 227,902 113,951 341,854 170,927 512,782 256,391 769,174 384,587 1,153,762 576,881 1,730,644 865,322 432,661 1,297,984 648,992 324,496 162,248 81,124 40,562 20,281 60,844 30,422 15,211 45,634 22,817 68,452 34,226 17,113 51,340 25,670 12,835 38,506 19,253 57,760 28,880 14,440 7,220 3,610 1,805 5,416 2,708 1,354 677

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