13² × 31 × 67

Prime Factor Structure

Factorization String 13^2 × 31 × 67

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 398,208

Proper Divisor Sum 47,195

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #351011 ← → #351023

1 13 31 67 169 403 871 2,077 5,239 11,323 27,001 351,013

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

351,013 1,053,040 526,520 263,260 131,630 65,815 197,446 98,723 296,170 148,085 444,256 222,128 111,064 55,532 27,766 13,883 41,650 20,825 62,476 31,238 15,619 46,858 23,429 70,288 35,144 17,572 8,786 4,393 13,180 6,590 3,295 9,886 4,943 14,830 7,415 22,246 11,123 33,370 16,685 50,056 25,028 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376

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