397,103

7 × 17 × 47 × 71

Prime Factor Structure

Factorization String 7 × 17 × 47 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 497,664

Proper Divisor Sum 100,561

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #397099 ← → #397127

1 7 17 47 71 119 329 497 799 1,207 3,337 5,593 8,449 23,359 56,729 397,103

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

397,103 1,191,310 595,655 1,786,966 893,483 2,680,450 1,340,225 4,020,676 2,010,338 1,005,169 3,015,508 1,507,754 753,877 2,261,632 1,130,816 565,408 282,704 141,352 70,676 35,338 17,669 53,008 26,504 13,252 6,626 3,313 9,940 4,970 2,485 7,456 3,728 1,864 932 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425

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