13 × 19 × 1669

Prime Factor Structure

Factorization String 13 × 19 × 1669

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 467,600

Proper Divisor Sum 55,357

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #412219 ← → #412249

1 13 19 247 1,669 21,697 31,711 412,243

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

412,243 1,236,730 618,365 1,855,096 927,548 463,774 231,887 695,662 347,831 1,043,494 521,747 1,565,242 782,621 2,347,864 1,173,932 586,966 293,483 880,450 440,225 1,320,676 660,338 330,169 990,508 495,254 247,627 742,882 371,441 1,114,324 557,162 278,581 835,744 417,872 208,936 104,468 52,234 26,117 78,352 39,176 19,588 9,794 4,897 14,692 7,346 3,673 11,020 5,510 2,755 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618

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