2² × 5 × 691

Prime Factor Structure

Factorization String 2^2 × 5 × 691

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 29,064

Proper Divisor Sum 15,244

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #13807 ← → #13829

1 2 4 5 10 20 691 1,382 2,764 3,455 6,910 13,820

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

13,820 6,910 3,455 10,366 5,183 15,550 7,775 23,326 11,663 34,990 17,495 52,486 26,243 78,730 39,365 118,096 59,048 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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