7 × 13 × 31 × 37

Prime Factor Structure

Factorization String 7 × 13 × 31 × 37

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 136,192

Proper Divisor Sum 31,815

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #104369 ← → #104381

1 7 13 31 37 91 217 259 403 481 1,147 2,821 3,367 8,029 14,911 104,377

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

104,377 313,132 156,566 78,283 234,850 117,425 352,276 176,138 88,069 264,208 132,104 66,052 33,026 16,513 49,540 24,770 12,385 37,156 18,578 9,289 27,868 13,934 6,967 20,902 10,451 31,354 15,677 47,032 23,516 11,758 5,879 17,638 8,819 26,458 13,229 39,688 19,844 9,922 4,961 14,884 7,442 3,721 11,164 5,582 2,791 8,374 4,187 12,562 6,281 18,844 9,422 4,711 14,134 7,067 21,202 10,601 31,804 15,902 7,951 23,854

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