5 × 17 × 31 × 311

Prime Factor Structure

Factorization String 5 × 17 × 31 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,078,272

Proper Divisor Sum 258,787

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #819473 ← → #819487

1 5 17 31 85 155 311 527 1,555 2,635 5,287 9,641 26,435 48,205 163,897 819,485

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

819,485 2,458,456 1,229,228 614,614 307,307 921,922 460,961 1,382,884 691,442 345,721 1,037,164 518,582 259,291 777,874 388,937 1,166,812 583,406 291,703 875,110 437,555 1,312,666 656,333 1,969,000 984,500 492,250 246,125 738,376 369,188 184,594 92,297 276,892 138,446 69,223 207,670 103,835 311,506 155,753 467,260 233,630 116,815 350,446 175,223 525,670 262,835 788,506 394,253 1,182,760 591,380 295,690 147,845 443,536 221,768 110,884 55,442 27,721 83,164 41,582 20,791 62,374 31,187

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