3² × 13 × 5471

Prime Factor Structure

Factorization String 3^2 × 13 × 5471

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 995,904

Proper Divisor Sum 355,797

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #640099 ← → #640109

1 3 9 13 39 117 5,471 16,413 49,239 71,123 213,369 640,107

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

640,107 1,920,322 960,161 2,880,484 1,440,242 720,121 2,160,364 1,080,182 540,091 1,620,274 810,137 2,430,412 1,215,206 607,603 1,822,810 911,405 2,734,216 1,367,108 683,554 341,777 1,025,332 512,666 256,333 769,000 384,500 192,250 96,125 288,376 144,188 72,094 36,047 108,142 54,071 162,214 81,107 243,322 121,661 364,984 182,492 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.