3⁶ × 5²

Prime Factor Structure

Factorization String 3^6 × 5^2

Distinct Prime Factors 2

Square Status Yes (√18225 = 135)

Abundance Measure Deficient

Analytical Properties

Total Divisors 21

Divisor Sum (σ) 33,883

Proper Divisor Sum 15,658

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #18223 ← → #18229

1 3 5 9 15 25 27 45 75 81 135 225 243 405 675 729 1,215 2,025 3,645 6,075 18,225

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

18,225 54,676 27,338 13,669 41,008 20,504 10,252 5,126 2,563 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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