13 × 17 × 521

Prime Factor Structure

Factorization String 13 × 17 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 131,544

Proper Divisor Sum 16,403

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #115133 ← → #115151

1 13 17 221 521 6,773 8,857 115,141

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

115,141 345,424 172,712 86,356 43,178 21,589 64,768 32,384 16,192 8,096 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754

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