3³ × 7 × 2689

Prime Factor Structure

Factorization String 3^3 × 7 × 2689

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 860,800

Proper Divisor Sum 352,579

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #508213 ← → #508223

1 3 7 9 21 27 63 189 2,689 8,067 18,823 24,201 56,469 72,603 169,407 508,221

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

508,221 1,524,664 762,332 381,166 190,583 571,750 285,875 857,626 428,813 1,286,440 643,220 321,610 160,805 482,416 241,208 120,604 60,302 30,151 90,454 45,227 135,682 67,841 203,524 101,762 50,881 152,644 76,322 38,161 114,484 57,242 28,621 85,864 42,932 21,466 10,733 32,200 16,100 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718 359 1,078 539

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