13 × 31² × 47

Prime Factor Structure

Factorization String 13 × 31^2 × 47

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 667,296

Proper Divisor Sum 80,125

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #587149 ← → #587173

1 13 31 47 403 611 961 1,457 12,493 18,941 45,167 587,171

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

587,171 1,761,514 880,757 2,642,272 1,321,136 660,568 330,284 165,142 82,571 247,714 123,857 371,572 185,786 92,893 278,680 139,340 69,670 34,835 104,506 52,253 156,760 78,380 39,190 19,595 58,786 29,393 88,180 44,090 22,045 66,136 33,068 16,534 8,267 24,802 12,401 37,204 18,602 9,301 27,904 13,952 6,976 3,488 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107

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