13 × 49261

Prime Factor Structure

Factorization String 13 × 49261

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 689,668

Proper Divisor Sum 49,275

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #640369 ← → #640411

1 13 49,261 640,393

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

640,393 1,921,180 960,590 480,295 1,440,886 720,443 2,161,330 1,080,665 3,241,996 1,620,998 810,499 2,431,498 1,215,749 3,647,248 1,823,624 911,812 455,906 227,953 683,860 341,930 170,965 512,896 256,448 128,224 64,112 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602 301 904 452 226 113

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