2 × 5² × 409

Prime Factor Structure

Factorization String 2 × 5^2 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 38,130

Proper Divisor Sum 17,680

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #20443 ← → #20477

1 2 5 10 25 50 409 818 2,045 4,090 10,225 20,450

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

20,450 10,225 30,676 15,338 7,669 23,008 11,504 5,752 2,876 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4

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