3² × 11 × 216119

Prime Factor Structure

Factorization String 3^2 × 11 × 216119

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 33,714,720

Proper Divisor Sum 12,318,939

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21395771 ← → #21395783

1 3 9 11 33 99 216,119 648,357 1,945,071 2,377,309 7,131,927 21,395,781

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

21,395,781 64,187,344 32,093,672 16,046,836 8,023,418 4,011,709 12,035,128 6,017,564 3,008,782 1,504,391 4,513,174 2,256,587 6,769,762 3,384,881 10,154,644 5,077,322 2,538,661 7,615,984 3,807,992 1,903,996 951,998 475,999 1,427,998 713,999 2,141,998 1,070,999 3,212,998 1,606,499 4,819,498 2,409,749 7,229,248 3,614,624 1,807,312 903,656 451,828 225,914 112,957 338,872 169,436 84,718 42,359 127,078 63,539 190,618 95,309 285,928 142,964 71,482 35,741 107,224 53,612 26,806 13,403 40,210 20,105 60,316 30,158 15,079 45,238 22,619

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