2 × 3² × 149²

Prime Factor Structure

Factorization String 2 × 3^2 × 149^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 871,689

Proper Divisor Sum 472,071

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #399617 ← → #399643

1 2 3 6 9 18 149 298 447 894 1,341 2,682 22,201 44,402 66,603 133,206 199,809 399,618

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

399,618 199,809 599,428 299,714 149,857 449,572 224,786 112,393 337,180 168,590 84,295 252,886 126,443 379,330 189,665 568,996 284,498 142,249 426,748 213,374 106,687 320,062 160,031 480,094 240,047 720,142 360,071 1,080,214 540,107 1,620,322 810,161 2,430,484 1,215,242 607,621 1,822,864 911,432 455,716 227,858 113,929 341,788 170,894 85,447 256,342 128,171 384,514 192,257 576,772 288,386 144,193 432,580 216,290 108,145 324,436 162,218 81,109 243,328 121,664 60,832 30,416 15,208

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