2² × 3² × 5 × 1217

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 1217

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 665,028

Proper Divisor Sum 445,968

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #219059 ← → #219071

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1,217 2,434 3,651 4,868 6,085 7,302 10,953 12,170 14,604 18,255 21,906 24,340 36,510 43,812 54,765 73,020 109,530 219,060

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

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