5 × 13 × 31 × 199

Prime Factor Structure

Factorization String 5 × 13 × 31 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 537,600

Proper Divisor Sum 136,615

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #400963 ← → #400997

1 5 13 31 65 155 199 403 995 2,015 2,587 6,169 12,935 30,845 80,197 400,985

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

400,985 1,202,956 601,478 300,739 902,218 451,109 1,353,328 676,664 338,332 169,166 84,583 253,750 126,875 380,626 190,313 570,940 285,470 142,735 428,206 214,103 642,310 321,155 963,466 481,733 1,445,200 722,600 361,300 180,650 90,325 270,976 135,488 67,744 33,872 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13

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