5² × 20809

Prime Factor Structure

Factorization String 5^2 × 20809

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 645,110

Proper Divisor Sum 124,885

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #520213 ← → #520241

1 5 25 20,809 104,045 520,225

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

520,225 1,560,676 780,338 390,169 1,170,508 585,254 292,627 877,882 438,941 1,316,824 658,412 329,206 164,603 493,810 246,905 740,716 370,358 185,179 555,538 277,769 833,308 416,654 208,327 624,982 312,491 937,474 468,737 1,406,212 703,106 351,553 1,054,660 527,330 263,665 790,996 395,498 197,749 593,248 296,624 148,312 74,156 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572 31,286 15,643 46,930 23,465 70,396 35,198 17,599 52,798 26,399 79,198 39,599 118,798

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