13 × 17 × 23 × 257

Prime Factor Structure

Factorization String 13 × 17 × 23 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,560,384

Proper Divisor Sum 254,053

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1306313 ← → #1306339

1 13 17 23 221 257 299 391 3,341 4,369 5,083 5,911 56,797 76,843 100,487 1,306,331

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

1,306,331 3,918,994 1,959,497 5,878,492 2,939,246 1,469,623 4,408,870 2,204,435 6,613,306 3,306,653 9,919,960 4,959,980 2,479,990 1,239,995 3,719,986 1,859,993 5,579,980 2,789,990 1,394,995 4,184,986 2,092,493 6,277,480 3,138,740 1,569,370 784,685 2,354,056 1,177,028 588,514 294,257 882,772 441,386 220,693 662,080 331,040 165,520 82,760 41,380 20,690 10,345 31,036 15,518 7,759 23,278 11,639 34,918 17,459 52,378 26,189 78,568 39,284 19,642 9,821 29,464 14,732 7,366 3,683 11,050 5,525 16,576 8,288

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