2 × 13 × 139 × 239

Prime Factor Structure

Factorization String 2 × 13 × 139 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,411,200

Proper Divisor Sum 547,454

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #863743 ← → #863749

1 2 13 26 139 239 278 478 1,807 3,107 3,614 6,214 33,221 66,442 431,873 863,746

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

863,746 431,873 1,295,620 647,810 323,905 971,716 485,858 242,929 728,788 364,394 182,197 546,592 273,296 136,648 68,324 34,162 17,081 51,244 25,622 12,811 38,434 19,217 57,652 28,826 14,413 43,240 21,620 10,810 5,405 16,216 8,108 4,054 2,027 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488

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