13 × 6581

Prime Factor Structure

Factorization String 13 × 6581

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 92,148

Proper Divisor Sum 6,595

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #85549 ← → #85571

1 13 6,581 85,553

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

85,553 256,660 128,330 64,165 192,496 96,248 48,124 24,062 12,031 36,094 18,047 54,142 27,071 81,214 40,607 121,822 60,911 182,734 91,367 274,102 137,051 411,154 205,577 616,732 308,366 154,183 462,550 231,275 693,826 346,913 1,040,740 520,370 260,185 780,556 390,278 195,139 585,418 292,709 878,128 439,064 219,532 109,766 54,883 164,650 82,325 246,976 123,488 61,744 30,872 15,436 7,718 3,859 11,578 5,789 17,368 8,684 4,342 2,171 6,514 3,257

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