3² × 19 × 389

Prime Factor Structure

Factorization String 3^2 × 19 × 389

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 101,400

Proper Divisor Sum 34,881

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #66509 ← → #66523

1 3 9 19 57 171 389 1,167 3,501 7,391 22,173 66,519

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

66,519 199,558 99,779 299,338 149,669 449,008 224,504 112,252 56,126 28,063 84,190 42,095 126,286 63,143 189,430 94,715 284,146 142,073 426,220 213,110 106,555 319,666 159,833 479,500 239,750 119,875 359,626 179,813 539,440 269,720 134,860 67,430 33,715 101,146 50,573 151,720 75,860 37,930 18,965 56,896 28,448 14,224 7,112 3,556 1,778 889 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537

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