2² × 3 × 67 × 647

Prime Factor Structure

Factorization String 2^2 × 3 × 67 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,233,792

Proper Divisor Sum 713,604

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #520151 ← → #520193

1 2 3 4 6 12 67 134 201 268 402 647 804 1,294 1,941 2,588 3,882 7,764 43,349 86,698 130,047 173,396 260,094 520,188

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

520,188 260,094 130,047 390,142 195,071 585,214 292,607 877,822 438,911 1,316,734 658,367 1,975,102 987,551 2,962,654 1,481,327 4,443,982 2,221,991 6,665,974 3,332,987 9,998,962 4,999,481 14,998,444 7,499,222 3,749,611 11,248,834 5,624,417 16,873,252 8,436,626 4,218,313 12,654,940 6,327,470 3,163,735 9,491,206 4,745,603 14,236,810 7,118,405 21,355,216 10,677,608 5,338,804 2,669,402 1,334,701 4,004,104 2,002,052 1,001,026 500,513 1,501,540 750,770 375,385 1,126,156 563,078 281,539 844,618 422,309 1,266,928 633,464 316,732 158,366 79,183 237,550 118,775

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