2 × 5 × 7² × 1399

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 1399

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,436,400

Proper Divisor Sum 750,890

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #685493 ← → #685511

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

685,510 342,755 1,028,266 514,133 1,542,400 771,200 385,600 192,800 96,400 48,200 24,100 12,050 6,025 18,076 9,038 4,519 13,558 6,779 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 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360

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