2⁴ × 43 × 569

Prime Factor Structure

Factorization String 2^4 × 43 × 569

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 777,480

Proper Divisor Sum 386,008

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #391453 ← → #391487

1 2 4 8 16 43 86 172 344 569 688 1,138 2,276 4,552 9,104 24,467 48,934 97,868 195,736 391,472

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

391,472 195,736 97,868 48,934 24,467 73,402 36,701 110,104 55,052 27,526 13,763 41,290 20,645 61,936 30,968 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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