2 × 29 × 61 × 181

Prime Factor Structure

Factorization String 2 × 29 × 61 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,015,560

Proper Divisor Sum 375,182

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #640369 ← → #640411

1 2 29 58 61 122 181 362 1,769 3,538 5,249 10,498 11,041 22,082 320,189 640,378

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

640,378 320,189 960,568 480,284 240,142 120,071 360,214 180,107 540,322 270,161 810,484 405,242 202,621 607,864 303,932 151,966 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.