2 × 3² × 19 × 613

Prime Factor Structure

Factorization String 2 × 3^2 × 19 × 613

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 478,920

Proper Divisor Sum 269,274

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #209639 ← → #209647

1 2 3 6 9 18 19 38 57 114 171 342 613 1,226 1,839 3,678 5,517 11,034 11,647 23,294 34,941 69,882 104,823 209,646

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

209,646 104,823 314,470 157,235 471,706 235,853 707,560 353,780 176,890 88,445 265,336 132,668 66,334 33,167 99,502 49,751 149,254 74,627 223,882 111,941 335,824 167,912 83,956 41,978 20,989 62,968 31,484 15,742 7,871 23,614 11,807 35,422 17,711 53,134 26,567 79,702 39,851 119,554 59,777 179,332 89,666 44,833 134,500 67,250 33,625 100,876 50,438 25,219 75,658 37,829 113,488 56,744 28,372 14,186 7,093 21,280 10,640 5,320 2,660 1,330

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