2 × 3² × 35593

Prime Factor Structure

Factorization String 2 × 3^2 × 35593

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,388,166

Proper Divisor Sum 747,492

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640669 ← → #640687

1 2 3 6 9 18 35,593 71,186 106,779 213,558 320,337 640,674

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

640,674 320,337 961,012 480,506 240,253 720,760 360,380 180,190 90,095 270,286 135,143 405,430 202,715 608,146 304,073 912,220 456,110 228,055 684,166 342,083 1,026,250 513,125 1,539,376 769,688 384,844 192,422 96,211 288,634 144,317 432,952 216,476 108,238 54,119 162,358 81,179 243,538 121,769 365,308 182,654 91,327 273,982 136,991 410,974 205,487 616,462 308,231 924,694 462,347 1,387,042 693,521 2,080,564 1,040,282 520,141 1,560,424 780,212 390,106 195,053 585,160 292,580 146,290

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