3 × 13 × 53 × 193

Prime Factor Structure

Factorization String 3 × 13 × 53 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 586,656

Proper Divisor Sum 187,725

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #398921 ← → #398933

1 3 13 39 53 159 193 579 689 2,067 2,509 7,527 10,229 30,687 132,977 398,931

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

398,931 1,196,794 598,397 1,795,192 897,596 448,798 224,399 673,198 336,599 1,009,798 504,899 1,514,698 757,349 2,272,048 1,136,024 568,012 284,006 142,003 426,010 213,005 639,016 319,508 159,754 79,877 239,632 119,816 59,908 29,954 14,977 44,932 22,466 11,233 33,700 16,850 8,425 25,276 12,638 6,319 18,958 9,479 28,438 14,219 42,658 21,329 63,988 31,994 15,997 47,992 23,996 11,998 5,999 17,998 8,999 26,998 13,499 40,498 20,249 60,748 30,374 15,187

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