2 × 5² × 7 × 31 × 59

Prime Factor Structure

Factorization String 2 × 5^2 × 7 × 31 × 59

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,428,480

Proper Divisor Sum 788,330

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #640139 ← → #640151

1 2 5 7 10 14 25 31 35 50 59 62 70 118 155 175 217 295 310 350 413 434 590 775 826 1,085 1,475 1,550 1,829 2,065 2,170 2,950 3,658 4,130 5,425 9,145 10,325 10,850 12,803 18,290 20,650 25,606 45,725 64,015 91,450 128,030 320,075 640,150

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

640,150 320,075 960,226 480,113 1,440,340 720,170 360,085 1,080,256 540,128 270,064 135,032 67,516 33,758 16,879 50,638 25,319 75,958 37,979 113,938 56,969 170,908 85,454 42,727 128,182 64,091 192,274 96,137 288,412 144,206 72,103 216,310 108,155 324,466 162,233 486,700 243,350 121,675 365,026 182,513 547,540 273,770 136,885 410,656 205,328 102,664 51,332 25,666 12,833 38,500 19,250 9,625 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061

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