7 × 2663

Prime Factor Structure

Factorization String 7 × 2663

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,312

Proper Divisor Sum 2,671

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #18637 ← → #18661

1 7 2,663 18,641

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

18,641 55,924 27,962 13,981 41,944 20,972 10,486 5,243 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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