13 × 17 × 31 × 67

Prime Factor Structure

Factorization String 13 × 17 × 31 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 548,352

Proper Divisor Sum 89,335

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #459013 ← → #459023

1 13 17 31 67 221 403 527 871 1,139 2,077 6,851 14,807 27,001 35,309 459,017

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

459,017 1,377,052 688,526 344,263 1,032,790 516,395 1,549,186 774,593 2,323,780 1,161,890 580,945 1,742,836 871,418 435,709 1,307,128 653,564 326,782 163,391 490,174 245,087 735,262 367,631 1,102,894 551,447 1,654,342 827,171 2,481,514 1,240,757 3,722,272 1,861,136 930,568 465,284 232,642 116,321 348,964 174,482 87,241 261,724 130,862 65,431 196,294 98,147 294,442 147,221 441,664 220,832 110,416 55,208 27,604 13,802 6,901 20,704 10,352 5,176 2,588 1,294 647 1,942 971 2,914

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