13 × 23 × 691

Prime Factor Structure

Factorization String 13 × 23 × 691

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 232,512

Proper Divisor Sum 25,903

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #206603 ← → #206623

1 13 23 299 691 8,983 15,893 206,609

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

206,609 619,828 309,914 154,957 464,872 232,436 116,218 58,109 174,328 87,164 43,582 21,791 65,374 32,687 98,062 49,031 147,094 73,547 220,642 110,321 330,964 165,482 82,741 248,224 124,112 62,056 31,028 15,514 7,757 23,272 11,636 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37

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