3 × 5 × 11 × 17 × 29

Prime Factor Structure

Factorization String 3 × 5 × 11 × 17 × 29

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 155,520

Proper Divisor Sum 74,175

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #81343 ← → #81349

1 3 5 11 15 17 29 33 51 55 85 87 145 165 187 255 319 435 493 561 935 957 1,479 1,595 2,465 2,805 4,785 5,423 7,395 16,269 27,115 81,345

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

81,345 244,036 122,018 61,009 183,028 91,514 45,757 137,272 68,636 34,318 17,159 51,478 25,739 77,218 38,609 115,828 57,914 28,957 86,872 43,436 21,718 10,859 32,578 16,289 48,868 24,434 12,217 36,652 18,326 9,163 27,490 13,745 41,236 20,618 10,309 30,928 15,464 7,732 3,866 1,933 5,800 2,900 1,450 725 2,176 1,088 544 272 136 68 34 17 52 26 13 40 20 10 5 16

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