2 × 3 × 13 × 29 × 283

Prime Factor Structure

Factorization String 2 × 3 × 13 × 29 × 283

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,431,360

Proper Divisor Sum 791,214

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #640139 ← → #640151

1 2 3 6 13 26 29 39 58 78 87 174 283 377 566 754 849 1,131 1,698 2,262 3,679 7,358 8,207 11,037 16,414 22,074 24,621 49,242 106,691 213,382 320,073 640,146

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

640,146 320,073 960,220 480,110 240,055 720,166 360,083 1,080,250 540,125 1,620,376 810,188 405,094 202,547 607,642 303,821 911,464 455,732 227,866 113,933 341,800 170,900 85,450 42,725 128,176 64,088 32,044 16,022 8,011 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19

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