2 × 3² × 1217

Prime Factor Structure

Factorization String 2 × 3^2 × 1217

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 47,502

Proper Divisor Sum 25,596

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21893 ← → #21911

1 2 3 6 9 18 1,217 2,434 3,651 7,302 10,953 21,906

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

21,906 10,953 32,860 16,430 8,215 24,646 12,323 36,970 18,485 55,456 27,728 13,864 6,932 3,466 1,733 5,200 2,600 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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