5² × 25609

Prime Factor Structure

Factorization String 5^2 × 25609

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 793,910

Proper Divisor Sum 153,685

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640223 ← → #640229

1 5 25 25,609 128,045 640,225

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

640,225 1,920,676 960,338 480,169 1,440,508 720,254 360,127 1,080,382 540,191 1,620,574 810,287 2,430,862 1,215,431 3,646,294 1,823,147 5,469,442 2,734,721 8,204,164 4,102,082 2,051,041 6,153,124 3,076,562 1,538,281 4,614,844 2,307,422 1,153,711 3,461,134 1,730,567 5,191,702 2,595,851 7,787,554 3,893,777 11,681,332 5,840,666 2,920,333 8,761,000 4,380,500 2,190,250 1,095,125 3,285,376 1,642,688 821,344 410,672 205,336 102,668 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061

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