3 × 5 × 7 × 19 × 197

Prime Factor Structure

Factorization String 3 × 5 × 7 × 19 × 197

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 760,320

Proper Divisor Sum 367,305

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #393013 ← → #393017

1 3 5 7 15 19 21 35 57 95 105 133 197 285 399 591 665 985 1,379 1,995 2,955 3,743 4,137 6,895 11,229 18,715 20,685 26,201 56,145 78,603 131,005 393,015

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

393,015 1,179,046 589,523 1,768,570 884,285 2,652,856 1,326,428 663,214 331,607 994,822 497,411 1,492,234 746,117 2,238,352 1,119,176 559,588 279,794 139,897 419,692 209,846 104,923 314,770 157,385 472,156 236,078 118,039 354,118 177,059 531,178 265,589 796,768 398,384 199,192 99,596 49,798 24,899 74,698 37,349 112,048 56,024 28,012 14,006 7,003 21,010 10,505 31,516 15,758 7,879 23,638 11,819 35,458 17,729 53,188 26,594 13,297 39,892 19,946 9,973 29,920 14,960

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