2 × 640061

Prime Factor Structure

Factorization String 2 × 640061

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,920,186

Proper Divisor Sum 640,064

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1280119 ← → #1280129

1 2 640,061 1,280,122

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

1,280,122 640,061 1,920,184 960,092 480,046 240,023 720,070 360,035 1,080,106 540,053 1,620,160 810,080 405,040 202,520 101,260 50,630 25,315 75,946 37,973 113,920 56,960 28,480 14,240 7,120 3,560 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 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

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