2² × 263 × 647

Prime Factor Structure

Factorization String 2^2 × 263 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,197,504

Proper Divisor Sum 516,860

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #680633 ← → #680651

1 2 4 263 526 647 1,052 1,294 2,588 170,161 340,322 680,644

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

680,644 340,322 170,161 510,484 255,242 127,621 382,864 191,432 95,716 47,858 23,929 71,788 35,894 17,947 53,842 26,921 80,764 40,382 20,191 60,574 30,287 90,862 45,431 136,294 68,147 204,442 102,221 306,664 153,332 76,666 38,333 115,000 57,500 28,750 14,375 43,126 21,563 64,690 32,345 97,036 48,518 24,259 72,778 36,389 109,168 54,584 27,292 13,646 6,823 20,470 10,235 30,706 15,353 46,060 23,030 11,515 34,546 17,273 51,820 25,910

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