3² × 19² × 41

Prime Factor Structure

Factorization String 3^2 × 19^2 × 41

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 208,026

Proper Divisor Sum 74,817

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #133201 ← → #133213

1 3 9 19 41 57 123 171 361 369 779 1,083 2,337 3,249 7,011 14,801 44,403 133,209

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

133,209 399,628 199,814 99,907 299,722 149,861 449,584 224,792 112,396 56,198 28,099 84,298 42,149 126,448 63,224 31,612 15,806 7,903 23,710 11,855 35,566 17,783 53,350 26,675 80,026 40,013 120,040 60,020 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436

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