2² × 3 × 13

Prime Factor Structure

Factorization String 2^2 × 3 × 13

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 392

Proper Divisor Sum 236

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #151 ← → #157

1 2 3 4 6 12 13 26 39 52 78 156

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

156 78 39 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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