2 × 5 × 31 × 1291

Prime Factor Structure

Factorization String 2 × 5 × 31 × 1291

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 744,192

Proper Divisor Sum 343,982

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #400207 ← → #400217

1 2 5 10 31 62 155 310 1,291 2,582 6,455 12,910 40,021 80,042 200,105 400,210

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

400,210 200,105 600,316 300,158 150,079 450,238 225,119 675,358 337,679 1,013,038 506,519 1,519,558 759,779 2,279,338 1,139,669 3,419,008 1,709,504 854,752 427,376 213,688 106,844 53,422 26,711 80,134 40,067 120,202 60,101 180,304 90,152 45,076 22,538 11,269 33,808 16,904 8,452 4,226 2,113 6,340 3,170 1,585 4,756 2,378 1,189 3,568 1,784 892 446 223 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425

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