13 × 1361

Prime Factor Structure

Factorization String 13 × 1361

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 19,068

Proper Divisor Sum 1,375

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #17683 ← → #17707

1 13 1,361 17,693

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

17,693 53,080 26,540 13,270 6,635 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19

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