2³ × 19 × 4211

Prime Factor Structure

Factorization String 2^3 × 19 × 4211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,263,600

Proper Divisor Sum 623,528

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640069 ← → #640099

1 2 4 8 19 38 76 152 4,211 8,422 16,844 33,688 80,009 160,018 320,036 640,072

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

640,072 320,036 160,018 80,009 240,028 120,014 60,007 180,022 90,011 270,034 135,017 405,052 202,526 101,263 303,790 151,895 455,686 227,843 683,530 341,765 1,025,296 512,648 256,324 128,162 64,081 192,244 96,122 48,061 144,184 72,092 36,046 18,023 54,070 27,035 81,106 40,553 121,660 60,830 30,415 91,246 45,623 136,870 68,435 205,306 102,653 307,960 153,980 76,990 38,495 115,486 57,743 173,230 86,615 259,846 129,923 389,770 194,885 584,656 292,328 146,164

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