3 × 7 × 11 × 1987

Prime Factor Structure

Factorization String 3 × 7 × 11 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 763,392

Proper Divisor Sum 304,395

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #458993 ← → #459007

1 3 7 11 21 33 77 231 1,987 5,961 13,909 21,857 41,727 65,571 152,999 458,997

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

458,997 1,376,992 688,496 344,248 172,124 86,062 43,031 129,094 64,547 193,642 96,821 290,464 145,232 72,616 36,308 18,154 9,077 27,232 13,616 6,808 3,404 1,702 851 2,554 1,277 3,832 1,916 958 479 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

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