2² × 3² × 107 × 173

Prime Factor Structure

Factorization String 2^2 × 3^2 × 107 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,710,072

Proper Divisor Sum 1,043,676

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #666353 ← → #666403

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

666,396 333,198 166,599 499,798 249,899 749,698 374,849 1,124,548 562,274 281,137 843,412 421,706 210,853 632,560 316,280 158,140 79,070 39,535 118,606 59,303 177,910 88,955 266,866 133,433 400,300 200,150 100,075 300,226 150,113 450,340 225,170 112,585 337,756 168,878 84,439 253,318 126,659 379,978 189,989 569,968 284,984 142,492 71,246 35,623 106,870 53,435 160,306 80,153 240,460 120,230 60,115 180,346 90,173 270,520 135,260 67,630 33,815 101,446 50,723 152,170

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