2 × 5 × 7 × 31 × 307

Prime Factor Structure

Factorization String 2 × 5 × 7 × 31 × 307

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,419,264

Proper Divisor Sum 753,074

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #666187 ← → #666191

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

666,190 333,095 999,286 499,643 1,498,930 749,465 2,248,396 1,124,198 562,099 1,686,298 843,149 2,529,448 1,264,724 632,362 316,181 948,544 474,272 237,136 118,568 59,284 29,642 14,821 44,464 22,232 11,116 5,558 2,779 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706

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