11 × 31 × 37 × 53

Prime Factor Structure

Factorization String 11 × 31 × 37 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 787,968

Proper Divisor Sum 119,267

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #668699 ← → #668713

1 11 31 37 53 341 407 583 1,147 1,643 1,961 12,617 18,073 21,571 60,791 668,701

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

668,701 2,006,104 1,003,052 501,526 250,763 752,290 376,145 1,128,436 564,218 282,109 846,328 423,164 211,582 105,791 317,374 158,687 476,062 238,031 714,094 357,047 1,071,142 535,571 1,606,714 803,357 2,410,072 1,205,036 602,518 301,259 903,778 451,889 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.