7 × 397 × 691

Prime Factor Structure

Factorization String 7 × 397 × 691

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,203,328

Proper Divisor Sum 283,039

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1920283 ← → #1920299

1 7 397 691 2,779 4,837 274,327 1,920,289

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

1,920,289 5,760,868 2,880,434 1,440,217 4,320,652 2,160,326 1,080,163 3,240,490 1,620,245 4,860,736 2,430,368 1,215,184 607,592 303,796 151,898 75,949 227,848 113,924 56,962 28,481 85,444 42,722 21,361 64,084 32,042 16,021 48,064 24,032 12,016 6,008 3,004 1,502 751 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 12,202

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