3² × 71161

Prime Factor Structure

Factorization String 3^2 × 71161

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 925,106

Proper Divisor Sum 284,657

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640421 ← → #640457

1 3 9 71,161 213,483 640,449

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

640,449 1,921,348 960,674 480,337 1,441,012 720,506 360,253 1,080,760 540,380 270,190 135,095 405,286 202,643 607,930 303,965 911,896 455,948 227,974 113,987 341,962 170,981 512,944 256,472 128,236 64,118 32,059 96,178 48,089 144,268 72,134 36,067 108,202 54,101 162,304 81,152 40,576 20,288 10,144 5,072 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19

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