3 × 5 × 17 × 1559

Prime Factor Structure

Factorization String 3 × 5 × 17 × 1559

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 673,920

Proper Divisor Sum 276,375

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #397543 ← → #397547

1 3 5 15 17 51 85 255 1,559 4,677 7,795 23,385 26,503 79,509 132,515 397,545

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

397,545 1,192,636 596,318 298,159 894,478 447,239 1,341,718 670,859 2,012,578 1,006,289 3,018,868 1,509,434 754,717 2,264,152 1,132,076 566,038 283,019 849,058 424,529 1,273,588 636,794 318,397 955,192 477,596 238,798 119,399 358,198 179,099 537,298 268,649 805,948 402,974 201,487 604,462 302,231 906,694 453,347 1,360,042 680,021 2,040,064 1,020,032 510,016 255,008 127,504 63,752 31,876 15,938 7,969 23,908 11,954 5,977 17,932 8,966 4,483 13,450 6,725 20,176 10,088 5,044 2,522

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