13 × 137 × 373

Prime Factor Structure

Factorization String 13 × 137 × 373

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 722,568

Proper Divisor Sum 58,255

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #664289 ← → #664319

1 13 137 373 1,781 4,849 51,101 664,313

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

664,313 1,992,940 996,470 498,235 1,494,706 747,353 2,242,060 1,121,030 560,515 1,681,546 840,773 2,522,320 1,261,160 630,580 315,290 157,645 472,936 236,468 118,234 59,117 177,352 88,676 44,338 22,169 66,508 33,254 16,627 49,882 24,941 74,824 37,412 18,706 9,353 28,060 14,030 7,015 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288

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