3 × 7 × 19 × 2531

Prime Factor Structure

Factorization String 3 × 7 × 19 × 2531

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,620,480

Proper Divisor Sum 610,611

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1009859 ← → #1009873

1 3 7 19 21 57 133 399 2,531 7,593 17,717 48,089 53,151 144,267 336,623 1,009,869

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

1,009,869 3,029,608 1,514,804 757,402 378,701 1,136,104 568,052 284,026 142,013 426,040 213,020 106,510 53,255 159,766 79,883 239,650 119,825 359,476 179,738 89,869 269,608 134,804 67,402 33,701 101,104 50,552 25,276 12,638 6,319 18,958 9,479 28,438 14,219 42,658 21,329 63,988 31,994 15,997 47,992 23,996 11,998 5,999 17,998 8,999 26,998 13,499 40,498 20,249 60,748 30,374 15,187 45,562 22,781 68,344 34,172 17,086 8,543 25,630 12,815 38,446

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