5 × 7 × 18287

Prime Factor Structure

Factorization String 5 × 7 × 18287

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 877,824

Proper Divisor Sum 237,779

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640043 ← → #640049

1 5 7 35 18,287 91,435 128,009 640,045

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

640,045 1,920,136 960,068 480,034 240,017 720,052 360,026 180,013 540,040 270,020 135,010 67,505 202,516 101,258 50,629 151,888 75,944 37,972 18,986 9,493 28,480 14,240 7,120 3,560 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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