139 × 3881

Prime Factor Structure

Factorization String 139 × 3881

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 543,480

Proper Divisor Sum 4,021

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #539449 ← → #539479

1 139 3,881 539,459

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

539,459 1,618,378 809,189 2,427,568 1,213,784 606,892 303,446 151,723 455,170 227,585 682,756 341,378 170,689 512,068 256,034 128,017 384,052 192,026 96,013 288,040 144,020 72,010 36,005 108,016 54,008 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787 68,362 34,181 102,544 51,272 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211 21,634 10,817 32,452 16,226 8,113 24,340 12,170 6,085 18,256 9,128 4,564 2,282 1,141 3,424

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