2 × 3² × 11 × 31 × 109

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 31 × 109

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,647,360

Proper Divisor Sum 978,318

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #669029 ← → #669049

1 2 3 6 9 11 18 22 31 33 62 66 93 99 109 186 198 218 279 327 341 558 654 682 981 1,023 1,199 1,962 2,046 2,398 3,069 3,379 3,597 6,138 6,758 7,194 10,137 10,791 20,274 21,582 30,411 37,169 60,822 74,338 111,507 223,014 334,521 669,042

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

669,042 334,521 1,003,564 501,782 250,891 752,674 376,337 1,129,012 564,506 282,253 846,760 423,380 211,690 105,845 317,536 158,768 79,384 39,692 19,846 9,923 29,770 14,885 44,656 22,328 11,164 5,582 2,791 8,374 4,187 12,562 6,281 18,844 9,422 4,711 14,134 7,067 21,202 10,601 31,804 15,902 7,951 23,854 11,927 35,782 17,891 53,674 26,837 80,512 40,256 20,128 10,064 5,032 2,516 1,258 629 1,888 944 472 236 118

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