2² × 5² × 409

Prime Factor Structure

Factorization String 2^2 × 5^2 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 88,970

Proper Divisor Sum 48,070

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #40897 ← → #40903

1 2 4 5 10 20 25 50 100 409 818 1,636 2,045 4,090 8,180 10,225 20,450 40,900

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

40,900 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

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