2² × 3 × 71 × 251

Prime Factor Structure

Factorization String 2^2 × 3 × 71 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 508,032

Proper Divisor Sum 294,180

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #213847 ← → #213859

1 2 3 4 6 12 71 142 213 251 284 426 502 753 852 1,004 1,506 3,012 17,821 35,642 53,463 71,284 106,926 213,852

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

213,852 106,926 53,463 160,390 80,195 240,586 120,293 360,880 180,440 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

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