2² × 3 × 11 × 19² × 449

Prime Factor Structure

Factorization String 2^2 × 3 × 11 × 19^2 × 449

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 57,607,200

Proper Divisor Sum 36,211,452

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21395747 ← → #21395761

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

21,395,748 10,697,874 5,348,937 16,046,812 8,023,406 4,011,703 12,035,110 6,017,555 18,052,666 9,026,333 27,079,000 13,539,500 6,769,750 3,384,875 10,154,626 5,077,313 15,231,940 7,615,970 3,807,985 11,423,956 5,711,978 2,855,989 8,567,968 4,283,984 2,141,992 1,070,996 535,498 267,749 803,248 401,624 200,812 100,406 50,203 150,610 75,305 225,916 112,958 56,479 169,438 84,719 254,158 127,079 381,238 190,619 571,858 285,929 857,788 428,894 214,447 643,342 321,671 965,014 482,507 1,447,522 723,761 2,171,284 1,085,642 542,821 1,628,464 814,232

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