2² × 3² × 7 × 37 × 73

Prime Factor Structure

Factorization String 2^2 × 3^2 × 7 × 37 × 73

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 2,047,136

Proper Divisor Sum 1,366,484

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #680651 ← → #680657

1 2 3 4 6 7 9 12 14 18 21 28 36 37 42 63 73 74 84 111 126 146 148 219 222 252 259 292 333 438 444 511 518 657 666 777 876 1,022 1,036 1,314 1,332 1,533 1,554 2,044 2,331 2,628 2,701 3,066 3,108 4,599 4,662 5,402 6,132 8,103 9,198 9,324 10,804 16,206 18,396 18,907

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

680,652 340,326 170,163 510,490 255,245 765,736 382,868 191,434 95,717 287,152 143,576 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.