31 × 1289

Prime Factor Structure

Factorization String 31 × 1289

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 41,280

Proper Divisor Sum 1,321

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #39953 ← → #39971

1 31 1,289 39,959

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

39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 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

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