2 × 7 × 691 × 1289

Prime Factor Structure

Factorization String 2 × 7 × 691 × 1289

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,424,320

Proper Divisor Sum 8,954,534

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #12469771 ← → #12469799

1 2 7 14 691 1,289 1,382 2,578 4,837 9,023 9,674 18,046 890,699 1,781,398 6,234,893 12,469,786

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

12,469,786 6,234,893 18,704,680 9,352,340 4,676,170 2,338,085 7,014,256 3,507,128 1,753,564 876,782 438,391 1,315,174 657,587 1,972,762 986,381 2,959,144 1,479,572 739,786 369,893 1,109,680 554,840 277,420 138,710 69,355 208,066 104,033 312,100 156,050 78,025 234,076 117,038 58,519 175,558 87,779 263,338 131,669 395,008 197,504 98,752 49,376 24,688 12,344 6,172 3,086 1,543 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200

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