2³ × 23 × 59²

Prime Factor Structure

Factorization String 2^3 × 23 × 59^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,274,760

Proper Divisor Sum 634,256

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640499 ← → #640529

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

640,504 320,252 160,126 80,063 240,190 120,095 360,286 180,143 540,430 270,215 810,646 405,323 1,215,970 607,985 1,823,956 911,978 455,989 1,367,968 683,984 341,992 170,996 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 10,834 5,417 16,252 8,126 4,063

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