5 × 7 × 31 × 1619

Prime Factor Structure

Factorization String 5 × 7 × 31 × 1619

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,488,320

Proper Divisor Sum 731,705

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1756613 ← → #1756633

1 5 7 31 35 155 217 1,085 1,619 8,095 11,333 50,189 56,665 250,945 351,323 1,756,615

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

1,756,615 5,269,846 2,634,923 7,904,770 3,952,385 11,857,156 5,928,578 2,964,289 8,892,868 4,446,434 2,223,217 6,669,652 3,334,826 1,667,413 5,002,240 2,501,120 1,250,560 625,280 312,640 156,320 78,160 39,080 19,540 9,770 4,885 14,656 7,328 3,664 1,832 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10

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