2 × 7578521

Prime Factor Structure

Factorization String 2 × 7578521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 22,735,566

Proper Divisor Sum 7,578,524

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #15157039 ← → #15157057

1 2 7,578,521 15,157,042

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

15,157,042 7,578,521 22,735,564 11,367,782 5,683,891 17,051,674 8,525,837 25,577,512 12,788,756 6,394,378 3,197,189 9,591,568 4,795,784 2,397,892 1,198,946 599,473 1,798,420 899,210 449,605 1,348,816 674,408 337,204 168,602 84,301 252,904 126,452 63,226 31,613 94,840 47,420 23,710 11,855 35,566 17,783 53,350 26,675 80,026 40,013 120,040 60,020 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028

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