2 × 7² × 2161

Prime Factor Structure

Factorization String 2 × 7^2 × 2161

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 369,702

Proper Divisor Sum 157,924

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #211777 ← → #211781

1 2 7 14 49 98 2,161 4,322 15,127 30,254 105,889 211,778

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

211,778 105,889 317,668 158,834 79,417 238,252 119,126 59,563 178,690 89,345 268,036 134,018 67,009 201,028 100,514 50,257 150,772 75,386 37,693 113,080 56,540 28,270 14,135 42,406 21,203 63,610 31,805 95,416 47,708 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 59 178 89 268 134 67 202 101 304 152 76 38

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