2 × 5 × 7 × 41 × 223

Prime Factor Structure

Factorization String 2 × 5 × 7 × 41 × 223

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,354,752

Proper Divisor Sum 714,742

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #640009 ← → #640019

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

640,010 320,005 960,016 480,008 240,004 120,002 60,001 180,004 90,002 45,001 135,004 67,502 33,751 101,254 50,627 151,882 75,941 227,824 113,912 56,956 28,478 14,239 42,718 21,359 64,078 32,039 96,118 48,059 144,178 72,089 216,268 108,134 54,067 162,202 81,101 243,304 121,652 60,826 30,413 91,240 45,620 22,810 11,405 34,216 17,108 8,554 4,277 12,832 6,416 3,208 1,604 802 401 1,204 602 301 904 452 226 113

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