2 × 13 × 491 × 1399

Prime Factor Structure

Factorization String 2 × 13 × 491 × 1399

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,929,600

Proper Divisor Sum 11,069,966

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #17859631 ← → #17859637

1 2 13 26 491 982 1,399 2,798 6,383 12,766 18,187 36,374 686,909 1,373,818 8,929,817 17,859,634

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

17,859,634 8,929,817 26,789,452 13,394,726 6,697,363 20,092,090 10,046,045 30,138,136 15,069,068 7,534,534 3,767,267 11,301,802 5,650,901 16,952,704 8,476,352 4,238,176 2,119,088 1,059,544 529,772 264,886 132,443 397,330 198,665 595,996 297,998 148,999 446,998 223,499 670,498 335,249 1,005,748 502,874 251,437 754,312 377,156 188,578 94,289 282,868 141,434 70,717 212,152 106,076 53,038 26,519 79,558 39,779 119,338 59,669 179,008 89,504 44,752 22,376 11,188 5,594 2,797 8,392 4,196 2,098 1,049 3,148

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