3 × 7 × 11 × 2789

Prime Factor Structure

Factorization String 3 × 7 × 11 × 2789

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,071,360

Proper Divisor Sum 427,101

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #644257 ← → #644261

1 3 7 11 21 33 77 231 2,789 8,367 19,523 30,679 58,569 92,037 214,753 644,259

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

644,259 1,932,778 966,389 2,899,168 1,449,584 724,792 362,396 181,198 90,599 271,798 135,899 407,698 203,849 611,548 305,774 152,887 458,662 229,331 687,994 343,997 1,031,992 515,996 257,998 128,999 386,998 193,499 580,498 290,249 870,748 435,374 217,687 653,062 326,531 979,594 489,797 1,469,392 734,696 367,348 183,674 91,837 275,512 137,756 68,878 34,439 103,318 51,659 154,978 77,489 232,468 116,234 58,117 174,352 87,176 43,588 21,794 10,897 32,692 16,346 8,173 24,520

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