2³ × 3² × 17 × 523

Prime Factor Structure

Factorization String 2^3 × 3^2 × 17 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,839,240

Proper Divisor Sum 1,199,088

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #640151 ← → #640153

1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 523 612 1,046 1,224 1,569 2,092 3,138 4,184 4,707 6,276 8,891 9,414 12,552 17,782 18,828 26,673 35,564 37,656 53,346 71,128 80,019 106,692 160,038 213,384 320,076 640,152

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

640,152 320,076 160,038 80,019 240,058 120,029 360,088 180,044 90,022 45,011 135,034 67,517 202,552 101,276 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.