5 × 13 × 19 × 3187

Prime Factor Structure

Factorization String 5 × 13 × 19 × 3187

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,355,840

Proper Divisor Sum 1,419,895

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #3935917 ← → #3935947

1 5 13 19 65 95 247 1,235 3,187 15,935 41,431 60,553 207,155 302,765 787,189 3,935,945

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

3,935,945 11,807,836 5,903,918 2,951,959 8,855,878 4,427,939 13,283,818 6,641,909 19,925,728 9,962,864 4,981,432 2,490,716 1,245,358 622,679 1,868,038 934,019 2,802,058 1,401,029 4,203,088 2,101,544 1,050,772 525,386 262,693 788,080 394,040 197,020 98,510 49,255 147,766 73,883 221,650 110,825 332,476 166,238 83,119 249,358 124,679 374,038 187,019 561,058 280,529 841,588 420,794 210,397 631,192 315,596 157,798 78,899 236,698 118,349 355,048 177,524 88,762 44,381 133,144 66,572 33,286 16,643 49,930 24,965

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