2² × 7 × 11 × 31 × 41

Prime Factor Structure

Factorization String 2^2 × 7 × 11 × 31 × 41

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 903,168

Proper Divisor Sum 511,700

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #391453 ← → #391487

1 2 4 7 11 14 22 28 31 41 44 62 77 82 124 154 164 217 287 308 341 434 451 574 682 868 902 1,148 1,271 1,364 1,804 2,387 2,542 3,157 4,774 5,084 6,314 8,897 9,548 12,628 13,981 17,794 27,962 35,588 55,924 97,867 195,734 391,468

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

391,468 195,734 97,867 293,602 146,801 440,404 220,202 110,101 330,304 165,152 82,576 41,288 20,644 10,322 5,161 15,484 7,742 3,871 11,614 5,807 17,422 8,711 26,134 13,067 39,202 19,601 58,804 29,402 14,701 44,104 22,052 11,026 5,513 16,540 8,270 4,135 12,406 6,203 18,610 9,305 27,916 13,958 6,979 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 4,972 2,486

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