5 × 7 × 13 × 1217

Prime Factor Structure

Factorization String 5 × 7 × 13 × 1217

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 818,496

Proper Divisor Sum 264,761

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #553733 ← → #553747

1 5 7 13 35 65 91 455 1,217 6,085 8,519 15,821 42,595 79,105 110,747 553,735

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

553,735 1,661,206 830,603 2,491,810 1,245,905 3,737,716 1,868,858 934,429 2,803,288 1,401,644 700,822 350,411 1,051,234 525,617 1,576,852 788,426 394,213 1,182,640 591,320 295,660 147,830 73,915 221,746 110,873 332,620 166,310 83,155 249,466 124,733 374,200 187,100 93,550 46,775 140,326 70,163 210,490 105,245 315,736 157,868 78,934 39,467 118,402 59,201 177,604 88,802 44,401 133,204 66,602 33,301 99,904 49,952 24,976 12,488 6,244 3,122 1,561 4,684 2,342 1,171 3,514

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