2 × 3² × 219749

Prime Factor Structure

Factorization String 2 × 3^2 × 219749

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 8,570,250

Proper Divisor Sum 4,614,768

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #3955459 ← → #3955493

1 2 3 6 9 18 219,749 439,498 659,247 1,318,494 1,977,741 3,955,482

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

3,955,482 1,977,741 5,933,224 2,966,612 1,483,306 741,653 2,224,960 1,112,480 556,240 278,120 139,060 69,530 34,765 104,296 52,148 26,074 13,037 39,112 19,556 9,778 4,889 14,668 7,334 3,667 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20

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