5 × 128047

Prime Factor Structure

Factorization String 5 × 128047

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 768,288

Proper Divisor Sum 128,053

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #640231 ← → #640247

1 5 128,047 640,235

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

640,235 1,920,706 960,353 2,881,060 1,440,530 720,265 2,160,796 1,080,398 540,199 1,620,598 810,299 2,430,898 1,215,449 3,646,348 1,823,174 911,587 2,734,762 1,367,381 4,102,144 2,051,072 1,025,536 512,768 256,384 128,192 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.