2² × 3² × 97 × 149

Prime Factor Structure

Factorization String 2^2 × 3^2 × 97 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,337,700

Proper Divisor Sum 817,392

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #520307 ← → #520309

1 2 3 4 6 9 12 18 36 97 149 194 291 298 388 447 582 596 873 894 1,164 1,341 1,746 1,788 2,682 3,492 5,364 14,453 28,906 43,359 57,812 86,718 130,077 173,436 260,154 520,308

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

520,308 260,154 130,077 390,232 195,116 97,558 48,779 146,338 73,169 219,508 109,754 54,877 164,632 82,316 41,158 20,579 61,738 30,869 92,608 46,304 23,152 11,576 5,788 2,894 1,447 4,342 2,171 6,514 3,257 9,772 4,886 2,443 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92

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