3² × 7² × 3631

Prime Factor Structure

Factorization String 3^2 × 7^2 × 3631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,691,312

Proper Divisor Sum 1,090,041

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1601269 ← → #1601273

1 3 7 9 21 49 63 147 441 3,631 10,893 25,417 32,679 76,251 177,919 228,753 533,757 1,601,271

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

1,601,271 4,803,814 2,401,907 7,205,722 3,602,861 10,808,584 5,404,292 2,702,146 1,351,073 4,053,220 2,026,610 1,013,305 3,039,916 1,519,958 759,979 2,279,938 1,139,969 3,419,908 1,709,954 854,977 2,564,932 1,282,466 641,233 1,923,700 961,850 480,925 1,442,776 721,388 360,694 180,347 541,042 270,521 811,564 405,782 202,891 608,674 304,337 913,012 456,506 228,253 684,760 342,380 171,190 85,595 256,786 128,393 385,180 192,590 96,295 288,886 144,443 433,330 216,665 649,996 324,998 162,499 487,498 243,749 731,248 365,624

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