2² × 3² × 37 × 163

Prime Factor Structure

Factorization String 2^2 × 3^2 × 37 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 567,112

Proper Divisor Sum 349,996

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #217111 ← → #217117

1 2 3 4 6 9 12 18 36 37 74 111 148 163 222 326 333 444 489 652 666 978 1,332 1,467 1,956 2,934 5,868 6,031 12,062 18,093 24,124 36,186 54,279 72,372 108,558 217,116

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

217,116 108,558 54,279 162,838 81,419 244,258 122,129 366,388 183,194 91,597 274,792 137,396 68,698 34,349 103,048 51,524 25,762 12,881 38,644 19,322 9,661 28,984 14,492 7,246 3,623 10,870 5,435 16,306 8,153 24,460 12,230 6,115 18,346 9,173 27,520 13,760 6,880 3,440 1,720 860 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233

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