2 × 3² × 71 × 251

Prime Factor Structure

Factorization String 2 × 3^2 × 71 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 707,616

Proper Divisor Sum 386,838

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #320767 ← → #320791

1 2 3 6 9 18 71 142 213 251 426 502 639 753 1,278 1,506 2,259 4,518 17,821 35,642 53,463 106,926 160,389 320,778

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

320,778 160,389 481,168 240,584 120,292 60,146 30,073 90,220 45,110 22,555 67,666 33,833 101,500 50,750 25,375 76,126 38,063 114,190 57,095 171,286 85,643 256,930 128,465 385,396 192,698 96,349 289,048 144,524 72,262 36,131 108,394 54,197 162,592 81,296 40,648 20,324 10,162 5,081 15,244 7,622 3,811 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58

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