67 × 131 × 139

Prime Factor Structure

Factorization String 67 × 131 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,256,640

Proper Divisor Sum 36,637

Digit Sum / Digital Root 8 (Root: 8)

Adjacent Primes #1219991 ← → #1220027

1 67 131 139 8,777 9,313 18,209 1,220,003

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

1,220,003 3,660,010 1,830,005 5,490,016 2,745,008 1,372,504 686,252 343,126 171,563 514,690 257,345 772,036 386,018 193,009 579,028 289,514 144,757 434,272 217,136 108,568 54,284 27,142 13,571 40,714 20,357 61,072 30,536 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291

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