3 × 11 × 17² × 41

Prime Factor Structure

Factorization String 3 × 11 × 17^2 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 618,912

Proper Divisor Sum 227,895

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #391009 ← → #391019

1 3 11 17 33 41 51 123 187 289 451 561 697 867 1,353 2,091 3,179 7,667 9,537 11,849 23,001 35,547 130,339 391,017

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

391,017 1,173,052 586,526 293,263 879,790 439,895 1,319,686 659,843 1,979,530 989,765 2,969,296 1,484,648 742,324 371,162 185,581 556,744 278,372 139,186 69,593 208,780 104,390 52,195 156,586 78,293 234,880 117,440 58,720 29,360 14,680 7,340 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 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71

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