2² × 5³ × 13

Prime Factor Structure

Factorization String 2^2 × 5^3 × 13

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 15,288

Proper Divisor Sum 8,788

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #6491 ← → #6521

1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 250 260 325 500 650 1,300 1,625 3,250 6,500

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

6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263

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