2 × 13 × 20011

Prime Factor Structure

Factorization String 2 × 13 × 20011

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 840,504

Proper Divisor Sum 320,218

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #520279 ← → #520291

1 2 13 26 20,011 40,022 260,143 520,286

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

520,286 260,143 780,430 390,215 1,170,646 585,323 1,755,970 877,985 2,633,956 1,316,978 658,489 1,975,468 987,734 493,867 1,481,602 740,801 2,222,404 1,111,202 555,601 1,666,804 833,402 416,701 1,250,104 625,052 312,526 156,263 468,790 234,395 703,186 351,593 1,054,780 527,390 263,695 791,086 395,543 1,186,630 593,315 1,779,946 889,973 2,669,920 1,334,960 667,480 333,740 166,870 83,435 250,306 125,153 375,460 187,730 93,865 281,596 140,798 70,399 211,198 105,599 316,798 158,399 475,198 237,599 712,798

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