17 × 23 × 991

Prime Factor Structure

Factorization String 17 × 23 × 991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 428,544

Proper Divisor Sum 41,063

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #387463 ← → #387493

1 17 23 391 991 16,847 22,793 387,481

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

387,481 1,162,444 581,222 290,611 871,834 435,917 1,307,752 653,876 326,938 163,469 490,408 245,204 122,602 61,301 183,904 91,952 45,976 22,988 11,494 5,747 17,242 8,621 25,864 12,932 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573

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