3 × 7 × 257 × 443

Prime Factor Structure

Factorization String 3 × 7 × 257 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,665,664

Proper Divisor Sum 1,274,793

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2390849 ← → #2390879

1 3 7 21 257 443 771 1,329 1,799 3,101 5,397 9,303 113,851 341,553 796,957 2,390,871

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

2,390,871 7,172,614 3,586,307 10,758,922 5,379,461 16,138,384 8,069,192 4,034,596 2,017,298 1,008,649 3,025,948 1,512,974 756,487 2,269,462 1,134,731 3,404,194 1,702,097 5,106,292 2,553,146 1,276,573 3,829,720 1,914,860 957,430 478,715 1,436,146 718,073 2,154,220 1,077,110 538,555 1,615,666 807,833 2,423,500 1,211,750 605,875 1,817,626 908,813 2,726,440 1,363,220 681,610 340,805 1,022,416 511,208 255,604 127,802 63,901 191,704 95,852 47,926 23,963 71,890 35,945 107,836 53,918 26,959 80,878 40,439 121,318 60,659 181,978 90,989

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