3 × 13 × 13339

Prime Factor Structure

Factorization String 3 × 13 × 13339

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 747,040

Proper Divisor Sum 226,819

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #520213 ← → #520241

1 3 13 39 13,339 40,017 173,407 520,221

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

520,221 1,560,664 780,332 390,166 195,083 585,250 292,625 877,876 438,938 219,469 658,408 329,204 164,602 82,301 246,904 123,452 61,726 30,863 92,590 46,295 138,886 69,443 208,330 104,165 312,496 156,248 78,124 39,062 19,531 58,594 29,297 87,892 43,946 21,973 65,920 32,960 16,480 8,240 4,120 2,060 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94

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