3 × 5 × 137 × 9811

Prime Factor Structure

Factorization String 3 × 5 × 137 × 9811

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,497,344

Proper Divisor Sum 12,335,739

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20161601 ← → #20161607

1 3 5 15 137 411 685 2,055 9,811 29,433 49,055 147,165 1,344,107 4,032,321 6,720,535 20,161,605

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

20,161,605 60,484,816 30,242,408 15,121,204 7,560,602 3,780,301 11,340,904 5,670,452 2,835,226 1,417,613 4,252,840 2,126,420 1,063,210 531,605 1,594,816 797,408 398,704 199,352 99,676 49,838 24,919 74,758 37,379 112,138 56,069 168,208 84,104 42,052 21,026 10,513 31,540 15,770 7,885 23,656 11,828 5,914 2,957 8,872 4,436 2,218 1,109 3,328 1,664 832 416 208 104 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.