3² × 13² × 11519

Prime Factor Structure

Factorization String 3^2 × 13^2 × 11519

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 27,406,080

Proper Divisor Sum 9,885,681

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #17520397 ← → #17520409

1 3 9 13 39 117 169 507 1,521 11,519 34,557 103,671 149,747 449,241 1,347,723 1,946,711 5,840,133 17,520,399

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

17,520,399 52,561,198 26,280,599 78,841,798 39,420,899 118,262,698 59,131,349 177,394,048 88,697,024 44,348,512 22,174,256 11,087,128 5,543,564 2,771,782 1,385,891 4,157,674 2,078,837 6,236,512 3,118,256 1,559,128 779,564 389,782 194,891 584,674 292,337 877,012 438,506 219,253 657,760 328,880 164,440 82,220 41,110 20,555 61,666 30,833 92,500 46,250 23,125 69,376 34,688 17,344 8,672 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86

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