3 × 7 × 23 × 431

Prime Factor Structure

Factorization String 3 × 7 × 23 × 431

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 331,776

Proper Divisor Sum 123,603

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #208147 ← → #208189

1 3 7 21 23 69 161 431 483 1,293 3,017 9,051 9,913 29,739 69,391 208,173

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

208,173 624,520 312,260 156,130 78,065 234,196 117,098 58,549 175,648 87,824 43,912 21,956 10,978 5,489 16,468 8,234 4,117 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 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

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