3² × 5 × 7 × 439

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 274,560

Proper Divisor Sum 136,275

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #138283 ← → #138289

1 3 5 7 9 15 21 35 45 63 105 315 439 1,317 2,195 3,073 3,951 6,585 9,219 15,365 19,755 27,657 46,095 138,285

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

138,285 414,856 207,428 103,714 51,857 155,572 77,786 38,893 116,680 58,340 29,170 14,585 43,756 21,878 10,939 32,818 16,409 49,228 24,614 12,307 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842 2,921 8,764 4,382 2,191 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272

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