2² × 5 × 19963

Prime Factor Structure

Factorization String 2^2 × 5 × 19963

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 838,488

Proper Divisor Sum 439,228

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #399241 ← → #399263

1 2 4 5 10 20 19,963 39,926 79,852 99,815 199,630 399,260

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

399,260 199,630 99,815 299,446 149,723 449,170 224,585 673,756 336,878 168,439 505,318 252,659 757,978 378,989 1,136,968 568,484 284,242 142,121 426,364 213,182 106,591 319,774 159,887 479,662 239,831 719,494 359,747 1,079,242 539,621 1,618,864 809,432 404,716 202,358 101,179 303,538 151,769 455,308 227,654 113,827 341,482 170,741 512,224 256,112 128,056 64,028 32,014 16,007 48,022 24,011 72,034 36,017 108,052 54,026 27,013 81,040 40,520 20,260 10,130 5,065 15,196

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