7 × 13 × 37 × 139

Prime Factor Structure

Factorization String 7 × 13 × 37 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 595,840

Proper Divisor Sum 127,827

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #468011 ← → #468019

1 7 13 37 91 139 259 481 973 1,807 3,367 5,143 12,649 36,001 66,859 468,013

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

468,013 1,404,040 702,020 351,010 175,505 526,516 263,258 131,629 394,888 197,444 98,722 49,361 148,084 74,042 37,021 111,064 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

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