3² × 5 × 23 × 503

Prime Factor Structure

Factorization String 3^2 × 5 × 23 × 503

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 943,488

Proper Divisor Sum 422,883

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #520589 ← → #520607

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

520,605 1,561,816 780,908 390,454 195,227 585,682 292,841 878,524 439,262 219,631 658,894 329,447 988,342 494,171 1,482,514 741,257 2,223,772 1,111,886 555,943 1,667,830 833,915 2,501,746 1,250,873 3,752,620 1,876,310 938,155 2,814,466 1,407,233 4,221,700 2,110,850 1,055,425 3,166,276 1,583,138 791,569 2,374,708 1,187,354 593,677 1,781,032 890,516 445,258 222,629 667,888 333,944 166,972 83,486 41,743 125,230 62,615 187,846 93,923 281,770 140,885 422,656 211,328 105,664 52,832 26,416 13,208 6,604 3,302

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