2² × 160033

Prime Factor Structure

Factorization String 2^2 × 160033

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,120,238

Proper Divisor Sum 480,106

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #640127 ← → #640139

1 2 4 160,033 320,066 640,132

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

640,132 320,066 160,033 480,100 240,050 120,025 360,076 180,038 90,019 270,058 135,029 405,088 202,544 101,272 50,636 25,318 12,659 37,978 18,989 56,968 28,484 14,242 7,121 21,364 10,682 5,341 16,024 8,012 4,006 2,003 6,010 3,005 9,016 4,508 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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