5 × 7 × 29 × 631

Prime Factor Structure

Factorization String 5 × 7 × 29 × 631

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 910,080

Proper Divisor Sum 269,615

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #640463 ← → #640477

1 5 7 29 35 145 203 631 1,015 3,155 4,417 18,299 22,085 91,495 128,093 640,465

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

640,465 1,921,396 960,698 480,349 1,441,048 720,524 360,262 180,131 540,394 270,197 810,592 405,296 202,648 101,324 50,662 25,331 75,994 37,997 113,992 56,996 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.