3² × 7² × 1291

Prime Factor Structure

Factorization String 3^2 × 7^2 × 1291

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 957,372

Proper Divisor Sum 388,041

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #569323 ← → #569369

1 3 7 9 21 49 63 147 441 1,291 3,873 9,037 11,619 27,111 63,259 81,333 189,777 569,331

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

569,331 1,707,994 853,997 2,561,992 1,280,996 640,498 320,249 960,748 480,374 240,187 720,562 360,281 1,080,844 540,422 270,211 810,634 405,317 1,215,952 607,976 303,988 151,994 75,997 227,992 113,996 56,998 28,499 85,498 42,749 128,248 64,124 32,062 16,031 48,094 24,047 72,142 36,071 108,214 54,107 162,322 81,161 243,484 121,742 60,871 182,614 91,307 273,922 136,961 410,884 205,442 102,721 308,164 154,082 77,041 231,124 115,562 57,781 173,344 86,672 43,336 21,668

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