7 × 13 × 19 × 283

Prime Factor Structure

Factorization String 7 × 13 × 19 × 283

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 636,160

Proper Divisor Sum 146,853

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #489299 ← → #489329

1 7 13 19 91 133 247 283 1,729 1,981 3,679 5,377 25,753 37,639 69,901 489,307

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

489,307 1,467,922 733,961 2,201,884 1,100,942 550,471 1,651,414 825,707 2,477,122 1,238,561 3,715,684 1,857,842 928,921 2,786,764 1,393,382 696,691 2,090,074 1,045,037 3,135,112 1,567,556 783,778 391,889 1,175,668 587,834 293,917 881,752 440,876 220,438 110,219 330,658 165,329 495,988 247,994 123,997 371,992 185,996 92,998 46,499 139,498 69,749 209,248 104,624 52,312 26,156 13,078 6,539 19,618 9,809 29,428 14,714 7,357 22,072 11,036 5,518 2,759 8,278 4,139 12,418 6,209 18,628

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