2³ × 3 × 21683

Prime Factor Structure

Factorization String 2^3 × 3 × 21683

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,301,040

Proper Divisor Sum 780,648

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #520381 ← → #520393

1 2 3 4 6 8 12 24 21,683 43,366 65,049 86,732 130,098 173,464 260,196 520,392

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

520,392 260,196 130,098 65,049 195,148 97,574 48,787 146,362 73,181 219,544 109,772 54,886 27,443 82,330 41,165 123,496 61,748 30,874 15,437 46,312 23,156 11,578 5,789 17,368 8,684 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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