3 × 5 × 13 × 4391

Prime Factor Structure

Factorization String 3 × 5 × 13 × 4391

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,475,712

Proper Divisor Sum 619,467

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #856241 ← → #856249

1 3 5 13 15 39 65 195 4,391 13,173 21,955 57,083 65,865 171,249 285,415 856,245

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

856,245 2,568,736 1,284,368 642,184 321,092 160,546 80,273 240,820 120,410 60,205 180,616 90,308 45,154 22,577 67,732 33,866 16,933 50,800 25,400 12,700 6,350 3,175 9,526 4,763 14,290 7,145 21,436 10,718 5,359 16,078 8,039 24,118 12,059 36,178 18,089 54,268 27,134 13,567 40,702 20,351 61,054 30,527 91,582 45,791 137,374 68,687 206,062 103,031 309,094 154,547 463,642 231,821 695,464 347,732 173,866 86,933 260,800 130,400 65,200 32,600

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