2 × 7² × 3989

Prime Factor Structure

Factorization String 2 × 7^2 × 3989

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 682,290

Proper Divisor Sum 291,368

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #390893 ← → #390953

1 2 7 14 49 98 3,989 7,978 27,923 55,846 195,461 390,922

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

390,922 195,461 586,384 293,192 146,596 73,298 36,649 109,948 54,974 27,487 82,462 41,231 123,694 61,847 185,542 92,771 278,314 139,157 417,472 208,736 104,368 52,184 26,092 13,046 6,523 19,570 9,785 29,356 14,678 7,339 22,018 11,009 33,028 16,514 8,257 24,772 12,386 6,193 18,580 9,290 4,645 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902

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