2² × 5 × 20399

Prime Factor Structure

Factorization String 2^2 × 5 × 20399

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 856,800

Proper Divisor Sum 448,820

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #407977 ← → #407993

1 2 4 5 10 20 20,399 40,798 81,596 101,995 203,990 407,980

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

407,980 203,990 101,995 305,986 152,993 458,980 229,490 114,745 344,236 172,118 86,059 258,178 129,089 387,268 193,634 96,817 290,452 145,226 72,613 217,840 108,920 54,460 27,230 13,615 40,846 20,423 61,270 30,635 91,906 45,953 137,860 68,930 34,465 103,396 51,698 25,849 77,548 38,774 19,387 58,162 29,081 87,244 43,622 21,811 65,434 32,717 98,152 49,076 24,538 12,269 36,808 18,404 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532

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