2² × 3² × 11 × 23 × 43

Prime Factor Structure

Factorization String 2^2 × 3^2 × 11 × 23 × 43

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,153,152

Proper Divisor Sum 761,508

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #391639 ← → #391661

1 2 3 4 6 9 11 12 18 22 23 33 36 43 44 46 66 69 86 92 99 129 132 138 172 198 207 253 258 276 387 396 414 473 506 516 759 774 828 946 989 1,012 1,419 1,518 1,548 1,892 1,978 2,277 2,838 2,967 3,036 3,956 4,257 4,554 5,676 5,934 8,514 8,901 9,108 10,879

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

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