5 × 23 × 31 × 61

Prime Factor Structure

Factorization String 5 × 23 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 285,696

Proper Divisor Sum 68,231

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #217463 ← → #217489

1 5 23 31 61 115 155 305 713 1,403 1,891 3,565 7,015 9,455 43,493 217,465

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

217,465 652,396 326,198 163,099 489,298 244,649 733,948 366,974 183,487 550,462 275,231 825,694 412,847 1,238,542 619,271 1,857,814 928,907 2,786,722 1,393,361 4,180,084 2,090,042 1,045,021 3,135,064 1,567,532 783,766 391,883 1,175,650 587,825 1,763,476 881,738 440,869 1,322,608 661,304 330,652 165,326 82,663 247,990 123,995 371,986 185,993 557,980 278,990 139,495 418,486 209,243 627,730 313,865 941,596 470,798 235,399 706,198 353,099 1,059,298 529,649 1,588,948 794,474 397,237 1,191,712 595,856 297,928

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