19 × 31 × 109 × 131

Prime Factor Structure

Factorization String 19 × 31 × 109 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,292,800

Proper Divisor Sum 882,469

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #8410313 ← → #8410343

1 19 31 109 131 589 2,071 2,489 3,379 4,061 14,279 64,201 77,159 271,301 442,649 8,410,331

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

8,410,331 25,230,994 12,615,497 37,846,492 18,923,246 9,461,623 28,384,870 14,192,435 42,577,306 21,288,653 63,865,960 31,932,980 15,966,490 7,983,245 23,949,736 11,974,868 5,987,434 2,993,717 8,981,152 4,490,576 2,245,288 1,122,644 561,322 280,661 841,984 420,992 210,496 105,248 52,624 26,312 13,156 6,578 3,289 9,868 4,934 2,467 7,402 3,701 11,104 5,552 2,776 1,388 694 347 1,042 521 1,564 782 391 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248

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