3 × 7 × 13 × 6961

Prime Factor Structure

Factorization String 3 × 7 × 13 × 6961

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,118,976

Proper Divisor Sum 1,218,623

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1900337 ← → #1900363

1 3 7 13 21 39 91 273 6,961 20,883 48,727 90,493 146,181 271,479 633,451 1,900,353

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

1,900,353 5,701,060 2,850,530 1,425,265 4,275,796 2,137,898 1,068,949 3,206,848 1,603,424 801,712 400,856 200,428 100,214 50,107 150,322 75,161 225,484 112,742 56,371 169,114 84,557 253,672 126,836 63,418 31,709 95,128 47,564 23,782 11,891 35,674 17,837 53,512 26,756 13,378 6,689 20,068 10,034 5,017 15,052 7,526 3,763 11,290 5,645 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56

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