2 × 13 × 109 × 239

Prime Factor Structure

Factorization String 2 × 13 × 109 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,108,800

Proper Divisor Sum 431,474

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #677323 ← → #677333

1 2 13 26 109 218 239 478 1,417 2,834 3,107 6,214 26,051 52,102 338,663 677,326

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

677,326 338,663 1,015,990 507,995 1,523,986 761,993 2,285,980 1,142,990 571,495 1,714,486 857,243 2,571,730 1,285,865 3,857,596 1,928,798 964,399 2,893,198 1,446,599 4,339,798 2,169,899 6,509,698 3,254,849 9,764,548 4,882,274 2,441,137 7,323,412 3,661,706 1,830,853 5,492,560 2,746,280 1,373,140 686,570 343,285 1,029,856 514,928 257,464 128,732 64,366 32,183 96,550 48,275 144,826 72,413 217,240 108,620 54,310 27,155 81,466 40,733 122,200 61,100 30,550 15,275 45,826 22,913 68,740 34,370 17,185 51,556 25,778

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