2² × 3² × 5 × 397

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 217,308

Proper Divisor Sum 145,848

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #71453 ← → #71471

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 397 794 1,191 1,588 1,985 2,382 3,573 3,970 4,764 5,955 7,146 7,940 11,910 14,292 17,865 23,820 35,730 71,460

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

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