3² × 97 × 197

Prime Factor Structure

Factorization String 3^2 × 97 × 197

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 252,252

Proper Divisor Sum 80,271

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #171947 ← → #172001

1 3 9 97 197 291 591 873 1,773 19,109 57,327 171,981

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

171,981 515,944 257,972 128,986 64,493 193,480 96,740 48,370 24,185 72,556 36,278 18,139 54,418 27,209 81,628 40,814 20,407 61,222 30,611 91,834 45,917 137,752 68,876 34,438 17,219 51,658 25,829 77,488 38,744 19,372 9,686 4,843 14,530 7,265 21,796 10,898 5,449 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551

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