3⁴ × 5 × 7 × 71

Prime Factor Structure

Factorization String 3^4 × 5 × 7 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 418,176

Proper Divisor Sum 216,891

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #201281 ← → #201287

1 3 5 7 9 15 21 27 35 45 63 71 81 105 135 189 213 315 355 405 497 567 639 945 1,065 1,491 1,917 2,485 2,835 3,195 4,473 5,751 7,455 9,585 13,419 22,365 28,755 40,257 67,095 201,285

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

201,285 603,856 301,928 150,964 75,482 37,741 113,224 56,612 28,306 14,153 42,460 21,230 10,615 31,846 15,923 47,770 23,885 71,656 35,828 17,914 8,957 26,872 13,436 6,718 3,359 10,078 5,039 15,118 7,559 22,678 11,339 34,018 17,009 51,028 25,514 12,757 38,272 19,136 9,568 4,784 2,392 1,196 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215

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