3 × 7 × 17 × 71

Prime Factor Structure

Factorization String 3 × 7 × 17 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 41,472

Proper Divisor Sum 16,125

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #25343 ← → #25349

1 3 7 17 21 51 71 119 213 357 497 1,207 1,491 3,621 8,449 25,347

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

25,347 76,042 38,021 114,064 57,032 28,516 14,258 7,129 21,388 10,694 5,347 16,042 8,021 24,064 12,032 6,016 3,008 1,504 752 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167

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