3 × 5 × 17² × 71

Prime Factor Structure

Factorization String 3 × 5 × 17^2 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 530,496

Proper Divisor Sum 222,711

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #307759 ← → #307817

1 3 5 15 17 51 71 85 213 255 289 355 867 1,065 1,207 1,445 3,621 4,335 6,035 18,105 20,519 61,557 102,595 307,785

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

307,785 923,356 461,678 230,839 692,518 346,259 1,038,778 519,389 1,558,168 779,084 389,542 194,771 584,314 292,157 876,472 438,236 219,118 109,559 328,678 164,339 493,018 246,509 739,528 369,764 184,882 92,441 277,324 138,662 69,331 207,994 103,997 311,992 155,996 77,998 38,999 116,998 58,499 175,498 87,749 263,248 131,624 65,812 32,906 16,453 49,360 24,680 12,340 6,170 3,085 9,256 4,628 2,314 1,157 3,472 1,736 868 434 217 652 326

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