16,640,208

2⁴ × 3³ × 13 × 2963

Prime Factor Structure

Factorization String 2^4 × 3^3 × 13 × 2963

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 51,455,040

Proper Divisor Sum 34,814,832

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #16640207 ← → #16640227

1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1,404 1,872 2,808 2,963 5,616 5,926 8,889 11,852 17,778 23,704 26,667 35,556 38,519 47,408 53,334 71,112 77,038 80,001 106,668 115,557 142,224 154,076 160,002 213,336

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

16,640,208 8,320,104 4,160,052 2,080,026 1,040,013 3,120,040 1,560,020 780,010 390,005 1,170,016 585,008 292,504 146,252 73,126 36,563 109,690 54,845 164,536 82,268 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936

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