2 × 13² × 1543

Prime Factor Structure

Factorization String 2 × 13^2 × 1543

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 847,656

Proper Divisor Sum 326,122

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #521533 ← → #521537

1 2 13 26 169 338 1,543 3,086 20,059 40,118 260,767 521,534

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

521,534 260,767 782,302 391,151 1,173,454 586,727 1,760,182 880,091 2,640,274 1,320,137 3,960,412 1,980,206 990,103 2,970,310 1,485,155 4,455,466 2,227,733 6,683,200 3,341,600 1,670,800 835,400 417,700 208,850 104,425 313,276 156,638 78,319 234,958 117,479 352,438 176,219 528,658 264,329 792,988 396,494 198,247 594,742 297,371 892,114 446,057 1,338,172 669,086 334,543 1,003,630 501,815 1,505,446 752,723 2,258,170 1,129,085 3,387,256 1,693,628 846,814 423,407 1,270,222 635,111 1,905,334 952,667 2,858,002 1,429,001 4,287,004

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