2 × 3² × 53 × 227

Prime Factor Structure

Factorization String 2 × 3^2 × 53 × 227

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 480,168

Proper Divisor Sum 263,610

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #216553 ← → #216569

1 2 3 6 9 18 53 106 159 227 318 454 477 681 954 1,362 2,043 4,086 12,031 24,062 36,093 72,186 108,279 216,558

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

216,558 108,279 324,838 162,419 487,258 243,629 730,888 365,444 182,722 91,361 274,084 137,042 68,521 205,564 102,782 51,391 154,174 77,087 231,262 115,631 346,894 173,447 520,342 260,171 780,514 390,257 1,170,772 585,386 292,693 878,080 439,040 219,520 109,760 54,880 27,440 13,720 6,860 3,430 1,715 5,146 2,573 7,720 3,860 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40

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