211,167

3⁵ × 11 × 79

Prime Factor Structure

Factorization String 3^5 × 11 × 79

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 349,440

Proper Divisor Sum 138,273

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #211153 ← → #211177

1 3 9 11 27 33 79 81 99 237 243 297 711 869 891 2,133 2,607 2,673 6,399 7,821 19,197 23,463 70,389 211,167

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

211,167 633,502 316,751 950,254 475,127 1,425,382 712,691 2,138,074 1,069,037 3,207,112 1,603,556 801,778 400,889 1,202,668 601,334 300,667 902,002 451,001 1,353,004 676,502 338,251 1,014,754 507,377 1,522,132 761,066 380,533 1,141,600 570,800 285,400 142,700 71,350 35,675 107,026 53,513 160,540 80,270 40,135 120,406 60,203 180,610 90,305 270,916 135,458 67,729 203,188 101,594 50,797 152,392 76,196 38,098 19,049 57,148 28,574 14,287 42,862 21,431 64,294 32,147 96,442 48,221

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