2 × 3 × 13 × 8573

Prime Factor Structure

Factorization String 2 × 3 × 13 × 8573

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,440,432

Proper Divisor Sum 771,738

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #668687 ← → #668699

1 2 3 6 13 26 39 78 8,573 17,146 25,719 51,438 111,449 222,898 334,347 668,694

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

668,694 334,347 1,003,042 501,521 1,504,564 752,282 376,141 1,128,424 564,212 282,106 141,053 423,160 211,580 105,790 52,895 158,686 79,343 238,030 119,015 357,046 178,523 535,570 267,785 803,356 401,678 200,839 602,518 301,259 903,778 451,889 1,355,668 677,834 338,917 1,016,752 508,376 254,188 127,094 63,547 190,642 95,321 285,964 142,982 71,491 214,474 107,237 321,712 160,856 80,428 40,214 20,107 60,322 30,161 90,484 45,242 22,621 67,864 33,932 16,966 8,483 25,450

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