2 × 5² × 13 × 439

Prime Factor Structure

Factorization String 2 × 5^2 × 13 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 572,880

Proper Divisor Sum 287,530

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #285343 ← → #285377

1 2 5 10 13 25 26 50 65 130 325 439 650 878 2,195 4,390 5,707 10,975 11,414 21,950 28,535 57,070 142,675 285,350

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

285,350 142,675 428,026 214,013 642,040 321,020 160,510 80,255 240,766 120,383 361,150 180,575 541,726 270,863 812,590 406,295 1,218,886 609,443 1,828,330 914,165 2,742,496 1,371,248 685,624 342,812 171,406 85,703 257,110 128,555 385,666 192,833 578,500 289,250 144,625 433,876 216,938 108,469 325,408 162,704 81,352 40,676 20,338 10,169 30,508 15,254 7,627 22,882 11,441 34,324 17,162 8,581 25,744 12,872 6,436 3,218 1,609 4,828 2,414 1,207 3,622 1,811

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