3 × 7 × 19 × 1013

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1013

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 648,960

Proper Divisor Sum 244,773

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #404177 ← → #404189

1 3 7 19 21 57 133 399 1,013 3,039 7,091 19,247 21,273 57,741 134,729 404,187

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

404,187 1,212,562 606,281 1,818,844 909,422 454,711 1,364,134 682,067 2,046,202 1,023,101 3,069,304 1,534,652 767,326 383,663 1,150,990 575,495 1,726,486 863,243 2,589,730 1,294,865 3,884,596 1,942,298 971,149 2,913,448 1,456,724 728,362 364,181 1,092,544 546,272 273,136 136,568 68,284 34,142 17,071 51,214 25,607 76,822 38,411 115,234 57,617 172,852 86,426 43,213 129,640 64,820 32,410 16,205 48,616 24,308 12,154 6,077 18,232 9,116 4,558 2,279 6,838 3,419 10,258 5,129 15,388

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