2 × 3² × 73 × 389

Prime Factor Structure

Factorization String 2 × 3^2 × 73 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,125,540

Proper Divisor Sum 614,394

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #511123 ← → #511151

1 2 3 6 9 18 73 146 219 389 438 657 778 1,167 1,314 2,334 3,501 7,002 28,397 56,794 85,191 170,382 255,573 511,146

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

511,146 255,573 766,720 383,360 191,680 95,840 47,920 23,960 11,980 5,990 2,995 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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