3 × 7 × 13 × 31 × 37

Prime Factor Structure

Factorization String 3 × 7 × 13 × 31 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 544,768

Proper Divisor Sum 231,637

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #313129 ← → #313133

1 3 7 13 21 31 37 39 91 93 111 217 259 273 403 481 651 777 1,147 1,209 1,443 2,821 3,367 3,441 8,029 8,463 10,101 14,911 24,087 44,733 104,377 313,131

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

313,131 939,394 469,697 1,409,092 704,546 352,273 1,056,820 528,410 264,205 792,616 396,308 198,154 99,077 297,232 148,616 74,308 37,154 18,577 55,732 27,866 13,933 41,800 20,900 10,450 5,225 15,676 7,838 3,919 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 11,927

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