7³ × 1867

Prime Factor Structure

Factorization String 7^3 × 1867

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 747,200

Proper Divisor Sum 106,819

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #640369 ← → #640411

1 7 49 343 1,867 13,069 91,483 640,381

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

640,381 1,921,144 960,572 480,286 240,143 720,430 360,215 1,080,646 540,323 1,620,970 810,485 2,431,456 1,215,728 607,864 303,932 151,966 75,983 227,950 113,975 341,926 170,963 512,890 256,445 769,336 384,668 192,334 96,167 288,502 144,251 432,754 216,377 649,132 324,566 162,283 486,850 243,425 730,276 365,138 182,569 547,708 273,854 136,927 410,782 205,391 616,174 308,087 924,262 462,131 1,386,394 693,197 2,079,592 1,039,796 519,898 259,949 779,848 389,924 194,962 97,481 292,444 146,222

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