2 × 3⁴ × 1291

Prime Factor Structure

Factorization String 2 × 3^4 × 1291

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 468,996

Proper Divisor Sum 259,854

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #209123 ← → #209147

1 2 3 6 9 18 27 54 81 162 1,291 2,582 3,873 7,746 11,619 23,238 34,857 69,714 104,571 209,142

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

209,142 104,571 313,714 156,857 470,572 235,286 117,643 352,930 176,465 529,396 264,698 132,349 397,048 198,524 99,262 49,631 148,894 74,447 223,342 111,671 335,014 167,507 502,522 251,261 753,784 376,892 188,446 94,223 282,670 141,335 424,006 212,003 636,010 318,005 954,016 477,008 238,504 119,252 59,626 29,813 89,440 44,720 22,360 11,180 5,590 2,795 8,386 4,193 12,580 6,290 3,145 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964

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