3 × 7 × 41 × 149

Prime Factor Structure

Factorization String 3 × 7 × 41 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 201,600

Proper Divisor Sum 73,311

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #128287 ← → #128291

1 3 7 21 41 123 149 287 447 861 1,043 3,129 6,109 18,327 42,763 128,289

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

128,289 384,868 192,434 96,217 288,652 144,326 72,163 216,490 108,245 324,736 162,368 81,184 40,592 20,296 10,148 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137

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