3 × 5 × 107 × 401

Prime Factor Structure

Factorization String 3 × 5 × 107 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,041,984

Proper Divisor Sum 398,379

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #643589 ← → #643619

1 3 5 15 107 321 401 535 1,203 1,605 2,005 6,015 42,907 128,721 214,535 643,605

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

643,605 1,930,816 965,408 482,704 241,352 120,676 60,338 30,169 90,508 45,254 22,627 67,882 33,941 101,824 50,912 25,456 12,728 6,364 3,182 1,591 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090

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