2⁵ × 5² × 13²

Prime Factor Structure

Factorization String 2^5 × 5^2 × 13^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 54

Divisor Sum (σ) 357,399

Proper Divisor Sum 222,199

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #135197 ← → #135209

1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 169 200 208 260 325 338 400 416 520 650 676 800 845 1,040 1,300 1,352 1,690 2,080 2,600 2,704 3,380 4,225 5,200 5,408 6,760 8,450 10,400 13,520 16,900 27,040 33,800 67,600 135,200

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

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