3² × 13 × 17 × 67

Prime Factor Structure

Factorization String 3^2 × 13 × 17 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 222,768

Proper Divisor Sum 89,505

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #133261 ← → #133271

1 3 9 13 17 39 51 67 117 153 201 221 603 663 871 1,139 1,989 2,613 3,417 7,839 10,251 14,807 44,421 133,263

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

133,263 399,790 199,895 599,686 299,843 899,530 449,765 1,349,296 674,648 337,324 168,662 84,331 252,994 126,497 379,492 189,746 94,873 284,620 142,310 71,155 213,466 106,733 320,200 160,100 80,050 40,025 120,076 60,038 30,019 90,058 45,029 135,088 67,544 33,772 16,886 8,443 25,330 12,665 37,996 18,998 9,499 28,498 14,249 42,748 21,374 10,687 32,062 16,031 48,094 24,047 72,142 36,071 108,214 54,107 162,322 81,161 243,484 121,742 60,871 182,614

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