2⁴ × 7 × 11 × 521

Prime Factor Structure

Factorization String 2^4 × 7 × 11 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 1,553,472

Proper Divisor Sum 911,600

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #641867 ← → #641873

1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 521 616 1,042 1,232 2,084 3,647 4,168 5,731 7,294 8,336 11,462 14,588 22,924 29,176 40,117 45,848 58,352 80,234 91,696 160,468 320,936 641,872

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

641,872 320,936 160,468 80,234 40,117 120,352 60,176 30,088 15,044 7,522 3,761 11,284 5,642 2,821 8,464 4,232 2,116 1,058 529 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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