640163

Prime Factor Structure

Factorization String 640163

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 640,164

Proper Divisor Sum 1

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #640153 ← → #640193

1 640,163

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

640,163 1,920,490 960,245 2,880,736 1,440,368 720,184 360,092 180,046 90,023 270,070 135,035 405,106 202,553 607,660 303,830 151,915 455,746 227,873 683,620 341,810 170,905 512,716 256,358 128,179 384,538 192,269 576,808 288,404 144,202 72,101 216,304 108,152 54,076 27,038 13,519 40,558 20,279 60,838 30,419 91,258 45,629 136,888 68,444 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061

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