7² × 61 × 131

Prime Factor Structure

Factorization String 7^2 × 61 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 466,488

Proper Divisor Sum 74,929

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #391553 ← → #391579

1 7 49 61 131 427 917 2,989 6,419 7,991 55,937 391,559

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

391,559 1,174,678 587,339 1,762,018 881,009 2,643,028 1,321,514 660,757 1,982,272 991,136 495,568 247,784 123,892 61,946 30,973 92,920 46,460 23,230 11,615 34,846 17,423 52,270 26,135 78,406 39,203 117,610 58,805 176,416 88,208 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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