3 × 7 × 17 × 1097

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1097

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 632,448

Proper Divisor Sum 240,819

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #391627 ← → #391631

1 3 7 17 21 51 119 357 1,097 3,291 7,679 18,649 23,037 55,947 130,543 391,629

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

391,629 1,174,888 587,444 293,722 146,861 440,584 220,292 110,146 55,073 165,220 82,610 41,305 123,916 61,958 30,979 92,938 46,469 139,408 69,704 34,852 17,426 8,713 26,140 13,070 6,535 19,606 9,803 29,410 14,705 44,116 22,058 11,029 33,088 16,544 8,272 4,136 2,068 1,034 517 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71

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