131 × 257

Prime Factor Structure

Factorization String 131 × 257

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 34,056

Proper Divisor Sum 389

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #33647 ← → #33679

1 131 257 33,667

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

33,667 101,002 50,501 151,504 75,752 37,876 18,938 9,469 28,408 14,204 7,102 3,551 10,654 5,327 15,982 7,991 23,974 11,987 35,962 17,981 53,944 26,972 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191 574 287 862 431 1,294

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