3 × 11 × 19 × 647

Prime Factor Structure

Factorization String 3 × 11 × 19 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 622,080

Proper Divisor Sum 216,411

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #405667 ← → #405677

1 3 11 19 33 57 209 627 647 1,941 7,117 12,293 21,351 36,879 135,223 405,669

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

405,669 1,217,008 608,504 304,252 152,126 76,063 228,190 114,095 342,286 171,143 513,430 256,715 770,146 385,073 1,155,220 577,610 288,805 866,416 433,208 216,604 108,302 54,151 162,454 81,227 243,682 121,841 365,524 182,762 91,381 274,144 137,072 68,536 34,268 17,134 8,567 25,702 12,851 38,554 19,277 57,832 28,916 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430

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