2 × 13 × 19687

Prime Factor Structure

Factorization String 2 × 13 × 19687

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 826,896

Proper Divisor Sum 315,034

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #511859 ← → #511867

1 2 13 26 19,687 39,374 255,931 511,862

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

511,862 255,931 767,794 383,897 1,151,692 575,846 287,923 863,770 431,885 1,295,656 647,828 323,914 161,957 485,872 242,936 121,468 60,734 30,367 91,102 45,551 136,654 68,327 204,982 102,491 307,474 153,737 461,212 230,606 115,303 345,910 172,955 518,866 259,433 778,300 389,150 194,575 583,726 291,863 875,590 437,795 1,313,386 656,693 1,970,080 985,040 492,520 246,260 123,130 61,565 184,696 92,348 46,174 23,087 69,262 34,631 103,894 51,947 155,842 77,921 233,764 116,882

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