2 × 3⁴ × 5 × 257

Prime Factor Structure

Factorization String 2 × 3^4 × 5 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 561,924

Proper Divisor Sum 353,754

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #208147 ← → #208189

1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 257 270 405 514 771 810 1,285 1,542 2,313 2,570 3,855 4,626 6,939 7,710 11,565 13,878 20,817 23,130 34,695 41,634 69,390 104,085 208,170

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

208,170 104,085 312,256 156,128 78,064 39,032 19,516 9,758 4,879 14,638 7,319 21,958 10,979 32,938 16,469 49,408 24,704 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233

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