2 × 3⁴ × 13² × 19

Prime Factor Structure

Factorization String 2 × 3^4 × 13^2 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 1,328,580

Proper Divisor Sum 808,398

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #520151 ← → #520193

1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 81 114 117 162 169 171 234 247 338 342 351 494 507 513 702 741 1,014 1,026 1,053 1,482 1,521 1,539 2,106 2,223 3,042 3,078 3,211 4,446 4,563 6,422 6,669 9,126 9,633 13,338 13,689 19,266 20,007 27,378 28,899 40,014 57,798 86,697 173,394 260,091 520,182

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

520,182 260,091 780,274 390,137 1,170,412 585,206 292,603 877,810 438,905 1,316,716 658,358 329,179 987,538 493,769 1,481,308 740,654 370,327 1,110,982 555,491 1,666,474 833,237 2,499,712 1,249,856 624,928 312,464 156,232 78,116 39,058 19,529 58,588 29,294 14,647 43,942 21,971 65,914 32,957 98,872 49,436 24,718 12,359 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.