13 × 1319

Prime Factor Structure

Factorization String 13 × 1319

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 18,480

Proper Divisor Sum 1,333

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #17137 ← → #17159

1 13 1,319 17,147

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

17,147 51,442 25,721 77,164 38,582 19,291 57,874 28,937 86,812 43,406 21,703 65,110 32,555 97,666 48,833 146,500 73,250 36,625 109,876 54,938 27,469 82,408 41,204 20,602 10,301 30,904 15,452 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109

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