13 × 137 × 439

Prime Factor Structure

Factorization String 13 × 137 × 439

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 850,080

Proper Divisor Sum 68,221

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #781853 ← → #781861

1 13 137 439 1,781 5,707 60,143 781,859

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

781,859 2,345,578 1,172,789 3,518,368 1,759,184 879,592 439,796 219,898 109,949 329,848 164,924 82,462 41,231 123,694 61,847 185,542 92,771 278,314 139,157 417,472 208,736 104,368 52,184 26,092 13,046 6,523 19,570 9,785 29,356 14,678 7,339 22,018 11,009 33,028 16,514 8,257 24,772 12,386 6,193 18,580 9,290 4,645 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967

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