13 × 19 × 1021

Prime Factor Structure

Factorization String 13 × 19 × 1021

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 286,160

Proper Divisor Sum 33,973

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #252181 ← → #252193

1 13 19 247 1,021 13,273 19,399 252,187

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

252,187 756,562 378,281 1,134,844 567,422 283,711 851,134 425,567 1,276,702 638,351 1,915,054 957,527 2,872,582 1,436,291 4,308,874 2,154,437 6,463,312 3,231,656 1,615,828 807,914 403,957 1,211,872 605,936 302,968 151,484 75,742 37,871 113,614 56,807 170,422 85,211 255,634 127,817 383,452 191,726 95,863 287,590 143,795 431,386 215,693 647,080 323,540 161,770 80,885 242,656 121,328 60,664 30,332 15,166 7,583 22,750 11,375 34,126 17,063 51,190 25,595 76,786 38,393 115,180 57,590

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