2³ × 79 × 1013

Prime Factor Structure

Factorization String 2^3 × 79 × 1013

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,216,800

Proper Divisor Sum 576,584

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640193 ← → #640219

1 2 4 8 79 158 316 632 1,013 2,026 4,052 8,104 80,027 160,054 320,108 640,216

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

640,216 320,108 160,054 80,027 240,082 120,041 360,124 180,062 90,031 270,094 135,047 405,142 202,571 607,714 303,857 911,572 455,786 227,893 683,680 341,840 170,920 85,460 42,730 21,365 64,096 32,048 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.