2 × 3² × 221549

Prime Factor Structure

Factorization String 2 × 3^2 × 221549

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 8,640,450

Proper Divisor Sum 4,652,568

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #3987859 ← → #3987887

1 2 3 6 9 18 221,549 443,098 664,647 1,329,294 1,993,941 3,987,882

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

3,987,882 1,993,941 5,981,824 2,990,912 1,495,456 747,728 373,864 186,932 93,466 46,733 140,200 70,100 35,050 17,525 52,576 26,288 13,144 6,572 3,286 1,643 4,930 2,465 7,396 3,698 1,849 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 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118

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