3² × 5 × 409

Prime Factor Structure

Factorization String 3^2 × 5 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 31,980

Proper Divisor Sum 13,575

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #18401 ← → #18413

1 3 5 9 15 45 409 1,227 2,045 3,681 6,135 18,405

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

18,405 55,216 27,608 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384 692 346 173 520 260 130 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.