3² × 17 × 1289

Prime Factor Structure

Factorization String 3^2 × 17 × 1289

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 301,860

Proper Divisor Sum 104,643

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #197207 ← → #197221

1 3 9 17 51 153 1,289 3,867 11,601 21,913 65,739 197,217

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

197,217 591,652 295,826 147,913 443,740 221,870 110,935 332,806 166,403 499,210 249,605 748,816 374,408 187,204 93,602 46,801 140,404 70,202 35,101 105,304 52,652 26,326 13,163 39,490 19,745 59,236 29,618 14,809 44,428 22,214 11,107 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214

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