401 × 1597

Prime Factor Structure

Factorization String 401 × 1597

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 642,396

Proper Divisor Sum 1,999

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #640369 ← → #640411

1 401 1,597 640,397

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

640,397 1,921,192 960,596 480,298 240,149 720,448 360,224 180,112 90,056 45,028 22,514 11,257 33,772 16,886 8,443 25,330 12,665 37,996 18,998 9,499 28,498 14,249 42,748 21,374 10,687 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 10,834 5,417 16,252 8,126 4,063

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