2 × 3 × 43 × 2591

Prime Factor Structure

Factorization String 2 × 3 × 43 × 2591

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,368,576

Proper Divisor Sum 700,098

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #668471 ← → #668509

1 2 3 6 43 86 129 258 2,591 5,182 7,773 15,546 111,413 222,826 334,239 668,478

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

668,478 334,239 1,002,718 501,359 1,504,078 752,039 2,256,118 1,128,059 3,384,178 1,692,089 5,076,268 2,538,134 1,269,067 3,807,202 1,903,601 5,710,804 2,855,402 1,427,701 4,283,104 2,141,552 1,070,776 535,388 267,694 133,847 401,542 200,771 602,314 301,157 903,472 451,736 225,868 112,934 56,467 169,402 84,701 254,104 127,052 63,526 31,763 95,290 47,645 142,936 71,468 35,734 17,867 53,602 26,801 80,404 40,202 20,101 60,304 30,152 15,076 7,538 3,769 11,308 5,654 2,827 8,482 4,241

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